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Dyeing Your Pool Green For St. Patrick’s Day Can Be an Unlucky Mistake



Dyeing Your Pool Green For St. Patrick's Day Can Be an Unlucky Mistake

We’re all about getting into the spirit of St. Patrick’s Day and here at Pool Magazine we have some creative suggestions on how to decorate the backyard for the holiday that we’ll discuss a little later. With that said, we can’t say that we’re very big fans of the social media fad of dyeing your pool water green to celebrate. In fact, according to most pool professionals, dyeing your pool water any color can be a recipe for an unlucky and costly maintenance headache that pool owners definitely will not want to deal with.

Why Do Folks Want To Dye Their Pool Green?

Your first experience with dyeing a large body of water may have come from witnessing what happens in the city of Chicago. The Windy City dyes the Chicago River green in celebration of St. Patrick’s Day every year and has done so since the tradition first began in 1962. Each year a group dumps around 50 pounds of vegetable dye into the river which transforms the color of the water into a shamrock green color.

The Chicago River is dyed green to celebrate St. Patrick's Day each year
The Chicago River is dyed green to celebrate St. Patrick’s Day each year

The Journeymen Plumbers Local Union 130 did the honors this year using 2-3 motorboats to spread the dye. The green color lasts a few days. It only takes around 45 minutes for the entire river to turn bright green. Over 400,000 attendees gather around the river to watch and it’s a lovely event for the city of Chicago.

Watch the Chicago River dyed Green – Aerial drone footage of the process

Dyeing Your Pool Green Isn’t a Smart Idea

To be perfectly clear though, this is not one that we recommend trying to recreate at home in your own backyard and there are some very straightforward reasons why. A few years back a buddy of mine was renting a home with a pool in the East Bay in California. He decided to throw an impromptu pool party for St. Patrick’s day and thought it would be a fun idea to dye the pool green for the party.

Wanting to imitate the look and party vibe that the city of Chicago has going is one thing, but the maintenance chore of cleaning up the pool after the party is one that perhaps he hadn’t anticipated. I seem to recall a prodigious and panicked scrubbing session to remove green dye residue that had discolored the tiles. Probably not the smartest thing to do in a rented home but that’s a whole other headache to discuss which has more to do about protecting your investment by setting some ground rules about how your rental property is used by tenants.

Friends who attended the party remarked how weird it was swimming in a green pool. The water was so cloudy that it was impossible to use the pool even with the lights on once the sun went down. Cleaning the pool proved to be harder than anticipated. My friend’s efforts didn’t pay off nearly as well as he would have liked and his landlord ultimately wound up charging him a fee to have the pool professionally cleaned.

Advice From Professionals – Don’t Dye It

We asked pool professionals what they thought about the practice of dyeing your pool green for Saint Patrick’s day. “If I walked up on a pool that had been dyed green, I’m pretty sure my brain would short-circuit,” said Derrick Todd of Aquanut Academy, “Dyeing the water in a pool causes all sorts of maintenance headaches.”

“For instance, cleaning the filters (can be difficult) as the dye pigments tend to build up there,” explained Todd, “that’s if the filter can even catch them. A cartridge only filters down to about 10 microns. There is always the possibility of staining the pool surface,” said Todd.

Swimming in a green pool for St. Patricks day isn't all it's cracked up to be. - Don't dye your pool green.
Swimming in a green pool for St. Patricks day isn’t all it’s cracked up to be.

Adverse Chemical Reactions

“You also have to be careful with your pool chemistry as the dye can react negatively with harsh chemicals like shock or acid- which means (if you’re having a pool party); you will not be able to treat the pool for heavy bather loads like you normally would,” explained Cole Daasnes of Poseidon Pools, a Roseville Pool Service company located in Northern California.

Daasnes suggested that by attempting to fake dye your pool a green color, you may end up with a really green pool for your trouble. “If you’re dyeing your pool you’ll be limiting the amount of circulation and filtration after application to make sure you get the desired effect and that it actually lasts (and doesn’t just filter out). Consequently, by limiting your circulation, filtration, and chemicals- you may actually end up with a real green pool only it’ll be caused by algae instead of dye.”

Using The Wrong Dye & Water Clarity Concerns

“I would be nervous that if the right dye isn’t used it could turn everything green. Baskets, filter cartridges, etc.,” said Kelli Clancy of Legacy Pool Spa Service in Sacramento, “I would also be concerned about how long the dye is in the water although I know there are some pool water dyes that with chlorine will oxidize off. My other concern obviously is seeing the bottom of the pool clearly which is more to do with drowning prevention.”

“It seems to go against everything we stand for. After all, we’ve made an entire career out of keeping pools from going green,” said Rudy Stankowitz of Talking Pools, “A little bit of pigment and a surfactant as a spreading agent and voilà; you too can have a swimming pool that looks like you haven’t touched it in weeks just in time for St. Paddy’s Day. Not only that, overuse of color additive can run the risk of the plaster hanging on to that color longer than you had planned.”

Cleaning Up The Mess

Some folks opt to take things a step further than dye and use green paint. Cleaning the pool the day after St. Patrick’s day is when the real chore starts if green paint was used said Stankowitz, “It’s all Éirinn go Brách until the color doesn’t fade, that’s when the 911 calls on the 18th begin,” explained Stankowitz, “By the luck of the Irish, it doesn’t take a pot of gold to fix – the remedy involves the same steps one would follow in any case of vandalism involving paint. Add 40 oz of Pool First aid (the only enzyme product I know of rated for treatment of vandalized water). Filter, backwash, and repeat every 48 hours until the pool water is again clear.”

Throwing a St. Patrick’s Day Themed Pool Party The Right Way

When you use dyes or chemicals in your pool water, you can inadvertently cause damage to the filter and other components. It’s also very easy to cause hard to remove stains. After the party, you must scrub clean the tiles and deck to remove any remaining residue from the dye.

It is a time-consuming and labor-intensive activity that is more trouble than it’s worth. Therefore, unless you love a good “I told you so”, avoid dyeing your pool green for a St. Patrick’s Day pool party.

Tips For Throwing A St. Patrick’s Day Themed Pool Party

Due to the fact that chemical dyes are not healthy for your pool, it’s a smart idea to consider other methods of hosting a St. Patrick’s day themed pool party. Green is the appropriate color, however it’s better to achieve the look with green LED lights to illuminate the pool and spa without using dye.

Turn your pool green for St. Patrick's day - St. Patrick's Day themed pool lighting using Hayward ColorLogic LED pool lighting
St. Patrick’s Day themed pool lighting using Hayward ColorLogic LED pool lighting

Bright LED lights will produce a green hue without the maintenance headache. To be clear, there is absolutely no reason why your pool water should ever be dyed to fit any type of party theme.

All it takes is some smart preparation and the right party accessories to create a St. Patricks holiday theme in your backyard. To create the right vibe for St. Patrick’s day, choose green-toned party décor, lighting, and other elements. To get into party mode, you can prepare green-themed food and offer green beverages in green glasses.

Additionally, decorate your pool with green pool accessories such as balloons, floats, floating lights, and floating hats. Whatever you choose, keep it consistent with the theme for the best results.

St. Patrick’s Day Themed Pool Party Checklist

This St. Patrick’s day pool float is the ideal accessory for celebrating the holiday. A fun inflatable to add some themed decor to go with the day.

  • Beer mug inflatable measures 18″h x 18″W x 14″d (when inflated)
  • The beer Stein design, Dotted with little green shamrocks, makes this inflatable cooler a fun and practical decoration
  • Feel and enjoy like a true Irish with this St. Patrick’s day beer mug inflatable cooler
  • Durability at its finest as after use, just drain and deflate to stash this reusable cooler away until the following year.
  • Simply fill it with ice followed by your favorite bottled and canned beverages to keep them chilled

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St. Patrick’s Day outdoor lights for your backyard add the perfect theme for your pool party.

  • Green Shamrocks String Lights: Add a soft, festive glow to your decor with our 50 LED green mini St Patricks Day Shamrocks Lights, battery powered string lights is 17ft.
  • 8 Lighting Modes: These St Patricks Day string lights have 8 lighting modes for you to choose.
  • Timer Function: Built-in timing function without setting, just turn on the lights(no matter whatever lighting mode), the light will keep 6 hours On and 18 hours Off automatically every 24hrs.

Pool Magazine is a participant in the Amazon Services LLC Associates Program, if you click this link and make a purchase, we earn a commission at no additional cost to you.

Add a St. Patrick’s Day themed table runner to your outdoor dining table to add a festive holiday theme to your pool party.

72-inch long table runner ☘: The St. Patrick’s Day table runner is 14 inches wide and 72 inches long. This is not only a decoration for St. Patrick’s Day, but also a home table decoration, and at the same time it can bring holiday joy. This table mat with St. Patrick’s Day pattern elements is made of high-quality cotton and linen, durable and environmentally friendly. 

Pool Magazine is a participant in the Amazon Services LLC Associates Program, if you click this link and make a purchase, we earn a commission at no additional cost to you.

St. Patrick’s Day throw pillows for your outdoor sofa or loveseat add the perfect accent for your themed backyard decor.

  • Double Sided Printing Pillow Cases: 18×18 pillow cover set of 4 are printed with the same St. Patrick’s Day elements pattern on both sides. Classic green buffalo check decor, shamrocks hat and lucky clover patterns. The St Patrick’s Day pillow covers is printed with state of the art digital printing technology. Vivid colors and clear image. No fading.
  • Shamrock Couch Pillow Covers Material: Our Saint Patricks Day green buffalo plaid pillow covers are made of excellent breathable linen fabric. These green linen pillow covers are soft, comfortable & durable. No pilling and creases. All seams have been over-locked to avoid fraying and tearing. ?The St Patricks Day decor pillows are comfortable to the touch, child and pet friendly.

Pool Magazine is a participant in the Amazon Services LLC Associates Program, if you click this link and make a purchase, we earn a commission at no additional cost to you.

Add a few St. Patrick’s day themed yard signs to show guests where the party is at and get them in the right vibe for your holiday themed event.

Package Included: 10 pcs yard signs + 20 pcs Fiberglass Stakes. 10 signs decorations include gnome , legs and hat, shamrock, rainbow, beer, balloon, Irishman, pot of gold, horseshoe, boot of gold.

Pool Magazine is a participant in the Amazon Services LLC Associates Program, if you click this link and make a purchase, we earn a commission at no additional cost to you.

With a few St. Patrick’s day themed cups to enjoy some dyed green adult beverages, your pool party is officially ready for guests.

  • Elevate the look of your St Patrick’s day drinks! Complete your St Patrick’s Day party decoration with happy St Patrick’s Day cups! Fill the drinks into Aatriet cups!
  • Bring the Irish Lucky sprits by using these shamrock green plastic cups. Happy St Patrick’s Day! Cheers!
  • Multiple purpose: these plastic cups are great for beer, ice beverage, ice cream, cocktails, soda, juice, candy, snacks, and more.

Pool Magazine is a participant in the Amazon Services LLC Associates Program, if you click this link and make a purchase, we earn a commission at no additional cost to you.

4.8/5 - (22 votes)

Marianne Trusty is a Press Correspondent for the pool & spa industry. A published author and social media influencer reaching over 20 million people around the world each day. Contact Marianne about publishing op-editorials, breaking pool news and press releases at

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One Rockin’ Pool Project at the Hard Rock



Hard Rock Pool - Hard Rock Seminole - Hollywood, FL - Pool Area

Jason Evans and Jeff Brown know a thing or two about taking on large projects like the Hard Rock pool. Industry veteran Evans has been indoctrinating his stepson Brown into the business over the past decade. Working side by side with his stepfather, the two have tackled their fair share of challenging jobs. For the south Florida firm renovating pools is a family affair. Their company, Pool Boy Plastering, has made a reputation for taking on some very visible and high-profile custom pool projects.

The Hard Rock Pool in Hollywood, FL

Recently Evans began posting photos of the Hard Rock Seminole pool they worked on in Hollywood, FL. The incredibly iconic guitar-shaped resort features a lush “Bora Bora” lagoon-style swimming pool which is just as stunning. A beach entry resort-style pool with actual sand, as well as a huge 4.5-acre lagoon for hotel guests that allows for paddleboarding, kayaking, and pedal boating, are just some of the world-class amenities you’ll find.

The high-volume firm has taken on large jobs, having completed over 12,000 projects during its tenure in the business. Catering to pool builders and architects, Pool Boy Plastering performs over 600 pool plastering jobs a year.

It’s safe to say that Evans and Brown collectively plastered roughly 7.2 million square feet or 110 football fields worth of pools. That’s a lot of plaster and a ton of experience in the field. It’s no wonder they were awarded the bid to do the interior of the Hard Rock swimming pool. Still, the two weren’t shy about confessing that this was the largest project they’d ever undertaken.

A Challenging Pool Interior

In describing what working on this pool was like, Evans was straight to the point. “It was a doozy, there were some really rough work conditions and it was probably one of the toughest jobs we’ve ever had to do,” he said.

“Not only did we have time constraints but it was during a really rainy season. Because it’s a Seminole reservation, OSHA is not allowed on the property, but they had their own safety team that was stricter than what a typical OSHA job site would be,” explained Evans, describing the working conditions.

“They would have lightning monitors, alarms would go off and we’d be suddenly forced to shut everything down and shelter. That’s tough, we’re out there mixing cement, pumping the Pebbletec. It was tough to just turn off the machine when it was full of cement and go hang out for an hour or two until we’re allowed to get back to work,” said Brown.

“We’d have almost daily meetings with the contractors, Brightview Developers did the entire outside of the hotel and were the ones we were collaborating with. The construction was 24/7 but our crew only worked during the day. In a fast-paced production schedule, it was a tough job site to work on. One day there would be parking, the next day there would be sidewalks where there were none yesterday,” said Evans.

Hitting a Moving Target

A project of this scale with a moving target and constantly shifting priorities was definitely a new experience for the firm. “It was always throwing us a loop. We’d be there doing a section thinking we’d be able to finish it and the concrete foreman would come up and inform us that the next day we’d have to break everything down and move out of the way and set up on the other side of the hotel to work. This was a rush build with overlapping deadlines. I must say though for a job of this scale it went fairly smoothly,” stated Evans.

“Having to run a slick line to shoot 800 square feet through other workers was definitely a challenge. We worked well on top of other contractors until it came time to use chemicals and then we’d have to cordon off certain areas of the job site. That made us popular,” said Brown, “they weren’t too happy to have to clear out when we had to do an acid wash.”

When asked if they’d take on this job again, the pair chuckled and said that is one they’d have to seriously consider. Despite the difficulties working on this project, the Pebbletec interior in this swimming pool came out gorgeous. A tremendous undertaking, this project is a testament to their abilities and was obviously a true labor of love.

Certainly not the only high-profile resort pool Evans and Brown have worked on, the two have traveled as far as Dubai to work on the Atlantis resort pool. They’re also probably one of the only pool plasterers that can count Sylvester Stallone as one of their clients. With that said, this rockin’ pool still remains one for the highlight reel.

Photo Credit: Jimi Smith Photography

3.7/5 - (3 votes)

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National Water Safety Month Is Celebrated The Entire Month of May



Celebrate National Water Safety Month The Entire Month of May

The month of May is a time to celebrate National Water Safety Month. The entire month of May has been officially dedicated as a time to bring awareness and education about water safety to the general community. The initiative is coordinated by the Pool & Hot Tub Alliance in support with the American Red Cross, National Recreation and Park Association, and the World Waterpark Association.

Benefits of Water Safety

May is the perfect time to observe safer water practices. When school is out for the summer and the weather heats up across the country, poolside recreation is in. This summer, pools, hot tubs, and spas will have a tremendously positive impact on all of our lives.

There are 10.4 million residential and 309,000 public swimming pools, and an additional 7.3 million hot tubs operating in the U.S. Over the summer 8 out of 10 Americans are planning to swim in a pool. For children and teens between the ages of 7 and 17, swimming remains the #1 most popular recreational activity.

Still, the Red Cross says more than 50% of Americans don’t know how to swim. This is where the disconnect lies and why this initiative is so important. Practicing better pool safety saves lives.

National Water Safety Month is helping by promoting better water safety practices as well as increasing water competency including what to do in an emergency. Drowning prevention lies at the core of the initiative.

Some of the core principles to educate the public about the importance of supervising children in or near water, fencing pools and spas with adequate barriers, learning water safety survival skills, using approved life jackets while boating, and swimming in a lifeguarded area.

How National Water Safety Month Got Started

National Water Safety Month’s history of highlighting water awareness and swim safety started in June 2003, when the World Waterpark Association launched its National Water Safety Week. People celebrated this water awareness week for four years.

The origins of National Water Safety Month began in May 2007. The National Recreation and Park Association in coordination with the World Waterpark Association decided that a month-long water safety initiative in May would better serve the community. May is the month when swim activity begins to increase across the nation. It was at this point that National Aquatics Week evolved into National Water Safety Month.

The APSP (now the Pool & Hot Tub Alliance) joined the initiative in May 2009. Their involvement would add public pools, residential pools, and waterparks as part of the month long water safety campaign. The American Red Cross would join the National Water Safety Month coalition as a key partner the following year in May 2010.

Learn More About The Key Partners Behind National Water Safety Month

The water safety initiative reaches the community at large through a series of educational programs and public service announcements. In addition, there is involvement at the government level, as well as with dealers and businesses across the nation to provide access to a wide variety of swim safety materials.

Pool & Hot Tub Alliance

The Pool & Hot Tub Alliance advances the expansion of water safety initiatives through research and outreach-related activities aimed at introducing more people to swimming. The PHTA’s 3,600 members are helping advance this initiative by making swimming environments safer and keeping pools open to serve communities.

National Recreation & Park Association

The National Recreation & Park Association is a non-profit dedicated to building stronger communities through the power of parks and recreation. Today, the NRPA’s 60,000 members propel this objective by investing in and championing the work of park and recreation professionals and advocates

World Waterpark Association

The World Waterpark Association is the world’s premier water-leisure trade association. The WWA serves over 1,000 members in 50 different countries around the globe.

American Red Cross

The American Red Cross shelters, feeds, and provides emotional support to victims of disasters; supplies about 40 percent of the nation’s blood; teaches skills that save lives; provides international humanitarian aid; and supports military members and their families.

Sponsor: Pentair

The initiative is sponsored by Pentair. “Pentair is honored to continue to support National Water Safety Month again this year,” says De’Mon Wiggins, President – Pool Business Unit at Pentair. “At Pentair, we know moments by the pool can only be magical, wonder-filled, and fun when experienced safely. That’s why we are committed as an organization to promoting water safety awareness not only during National Water Safety Month but always.”

Pentair Partnership With Pool & Hot Tub Alliance for National Water Safety Month
Pentair Partnership With Pool & Hot Tub Alliance for National Water Safety Month

How You Can Get Involved

For those that want to get involved, there are a number of ways for the general public and pool industry professionals to engage with their own community. Resources for consumers and professionals are available on the National Water Safety Month website.

Pool industry professionals perform a variety of outreach services that engage their local communities to learn more about water safety. Some examples are Joe Vassallo and his firm Paragon Pools which started their Float Like a Duck program in Las Vegas and Stephen Little, CEO of Claro Pools with his 55/5 campaign in Palm Desert. Those interested in getting involved have lots of options. Some advocates are planning a media event while others are doing a virtual event online. There are even those who are organizing a water safety fair to help get the word out.

Still one of the best ways to make a difference is by making a donation to the Red Cross and sponsoring National Water Safety Month as well as other drowning prevention initiatives that help promote awareness.

Featured Photo Credit: PHTA

5/5 - (11 votes)

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Top 10 Largest Swimming Pools in the World



Top 10 Largest Swimming Pools In The World

When discussing the largest swimming pools on the planet, we’re certainly not talking about your average-sized watering hole. While there have been large man-made pools practically since civilization began, these swimming pools in particular defy the imagination in terms of their sheer scale.

You may have visited a few resorts in your time with large luxurious over-the-top pools, but trust me when we say that those pools are practically teacup-sized in comparison to these swimming pools. We’ve covered plenty of swimming pool Top 10’s in Pool Magazine, including the world’s most expensive pools. Today, however, we’re going to be looking at some of the largest pools on Earth. With that said, let’s dive right in!

The Top 10 Largest Pools In The World

RankSwimming PoolCountryCityAreaOpenedWater
#1City Stars Sharm El SheikhEgyptSharm El Sheikh23.9 acres2015Sea water
#2San Alfonso Del MarChileValparaíso20 acres2006Sea water
#3MahasamutrThailandHua Hin17 acres2014Sea water
#4Ostrava Poruba – VřesinaCzech RepublicOstrava10 acres1962Fresh water
#5Diamante at Cabo San LucasMexicoCabo San Lucas10 acres2009Salt water
#6The Lagoon at EppersonUnited StatesWesley Chapel, FL7.5 acres2017Sea water
#7Piscina Las Brisas de Santo DomingoChileSanto Domingo5 acres2004Sea water
#8The Lagoon at Windsong RanchUnited StatesProsper, TX4.9 acres2019Sea water
#9Hayman Island Resort PoolAustraliaQueensland2.2 acres1950Sea water
#10Dreamworld Fun LagoonPakistanKarachi2 acres2008Well water
Largest Swimming Pools In The World by Size

Statistics are all well and good, but we’re dying to know more about these massive swimming pools and we’re sure you are too. Let’s take a closer look at each one of the swimming pools on our Top 10 Largest Swimming Pools list.

#10 – Dreamworld Fun Lagoon

The world’s largest well water swimming pool is located on the outskirts of Pakistan’s largest metropolis, Karachi. The Dreamworld Resort’s pool, which is filled with 2 million gallons of water pumped from neighboring wells, also has waterslides and an artificial sea with waves up to 4 feet high. This is a massive pool where scores of families gather together to have a good time.

Dream World Fun Lagoon - Karachi, Pakistan
Dream World Fun Lagoon – Karachi, Pakistan | Photo Credit:

Address: Gulshan-e-Maymar, Super Highway
Adjacent، Block R Taiser Town, Karachi, Karachi City, Sindh, Pakistan
Phone: +92 21 38692000

#9 – Hayman Island Resort Pool

The pool at Hayman Island Resort has the size of seven Olympic-sized pools and has a surface area of nearly 78,000 square feet. The man-made lagoon was built in 1985 as part of the exclusive Hayman Island resort in the Whitsundays, on the Great Barrier Reef’s Whitsunday Islands. The pool, which is one of the largest in the Southern Hemisphere, has a freshwater section surrounded by a bigger saltwater segment, as well as a sand bar in the center for relaxing. The largest of the four linked boardwalks, extending 165 feet, spans the water’s surface.

Hayman Island Resort has one of the world's biggest pools.
Hayman Island Resort has one of the world’s biggest pools. | Photo Credit: IHG

Address: Hayman Island Whitsunday Islands Hayman Island, QLD 4801, Australia
Phone: +61 7 4940 1234

#8 – The Lagoon at Windsong Ranch

One of the largest pools on earth is actually in the United States. The Lagoon, a massive 4.9-acre seawater pool, is currently the centerpiece of Windsong Ranch. Guests of the ranch can unwind on the white sand beaches or participate in a variety of activities such as paddleboarding and kayaking in the crystal clear Caribbeanesque waters. The largest pool in the United States, this one must be seen to be believed!

Lagoon at Windsong Ranch is one the largest pools in the world.
Lagoon at Windsong Ranch | Photo Credit: Windsong Ranch

Address: 1001 Windsong Pkwy, Prosper, TX 75078
Phone: (972) 347-9270

#7 – Piscina Las Brisas de Santo Domingo

Piscina Las Brisas is a five-acre saltwater pool is part of the Las Brisas upscale condominium development in Chile. To give you a sense of scale, it’s roughly the size of 16 Olympic-sized swimming pools. This architectural achievement is one of the largest swimming pools on the planet. Two of the nicest aspects are that it has a view of the Pacific Ocean and its crystal clear water.

Piscina Las Brisas de Santo Domingo is the 7th largest pool in the world
Piscina Las Brisas de Santo Domingo is the 7th largest pool in the world | Photo Credit: Latte Luxury News

Address: Santo Domingo, Valparaíso, Chile
Phone: +56 2 2206 9188

#6 – The Lagoon at Epperson

What was once a cow pasture just north of Tampa is now home to the largest swimming pool in the country. Swimming, paddle boarding, and kayaking are all possible on the man-made, sustainable body of water. It also has a swim-up bar, cabanas, a floating obstacle course, and other amenities. The lagoon spans 7.5 acres and has a perimeter of 4,200 linear square feet, with an average depth of 8 feet and some spots as deep as 12 feet.

The Lagoon at Epperson by Crystal Lagoons is the largest pool in the U.S.
The Lagoon at Epperson – Photo Credit: Tampa Magazine

Address: 31885 Overpass Rd, Wesley Chapel, FL 33545
Phone: (813) 444-5221

#5 – Diamante in Cabo San Lucas

With views of Diamante’s signature sand dunes and the majestic Pacific Ocean, you’ll be in paradise. Sail, swim, stand-up paddleboard, and kayak, or simply relax in your own private cabana nearby. There are wide beach areas, a swim-up bar and jacuzzi, and other family-friendly amenities surrounding the lagoon, so grab your goggles and sunscreen and get ready for some serious fun. Tied with our #4 pick, the 10-acre saltwater Crystal Lagoons® at Diamante offers leisure and family-friendly activities at the heart of their resort.

Diamante at Cabo San Lucas - 10 acre salt water pool - Photo Credit: Crystal Lagoons
Diamante at Cabo San Lucas – 10-acre salt water pool – Photo Credit: Crystal Lagoons

Address: Diamante Blvd., 23473 Cabo San Lucas, B.C.S., Mexico
Phone: +52 624 144 2900

#4 – Ostrava Poruba – Vřesina

The Ostrava Poruba, a seasonal community pool that first opened in 1962 is the largest open-air swimming pool in the Czech Republic at 10 acres. The massive fresh water pool is designed to look like a lake. Tied with our #5 pick in terms of size, the municipal corporation Sareza (Sports and Recreational Facilities of the City of Ostrava) operates swimming pools of various sizes (indoor and outdoor) in Poruba, Ostrava-Jih, Moravská Ostrava a Pvoz, and Bartovice.

Ostrava Poruba - Vřesina is the 4th largest pool on the planet
Ostrava Poruba – Vřesina – Photo Credit: 80bvod on YouTube

Address: Rekreační 236/74, 708 00 Ostrava-Poruba, Czechia
Phone: +420 596 977 611

#3 – Mahasamutr

The MahaSamutr pool is home to Asia’s largest man-made lagoon. It has a surface area of 72,000 square miles and a maximum depth of 2.4 meters. The lagoon, surrounded by an artificial sand beach, is the focal point of the MahaSamutr development project, an upscale country club and residential complex in Hua Hin.

Mahasamutr Pool - Photo Credit: Fernando Fischmann / Founder & Chairman of Crystal Lagoons
Mahasamutr Pool – Photo Credit: Fernando Fischmann / Founder & Chairman of Crystal Lagoons

Also by Crystal Lagoons, this massive pool is the first major project in Thailand and sits proudly on our top 10 list as the #3 largest pool in the world.

Mahasamutr Pool in Thailand is the 3rd largest pool on Earth
Mahasamutr Pool in Thailand is the 3rd largest pool on Earth

Address: 70/152-153 Soi 112 Huana Tuptai Road
Prachuapkhirikhan, Hua Hin District, Prachuap Khiri Khan 77110, Thailand
Phone: +66 32 907 900

#2 – San Alfonso Del Mar

San Alfonso Del Mar Resort in Chile is currently the second largest swimming pool in the world and sits on a private resort in Algarrobo, Chile, located roughly 60 miles west of Santiago. With a length of over nine football fields, this enormous saltwater pool is filled with over 66 million gallons of water. At the time of its completion in 2006, San Alfonso Del Mar Resort captured the record for the world’s largest pool and held it for almost a decade. A builder of some of the largest pools on the planet, we can thank Crystal Lagoons for this one as well.

San Alfonso Del Mar - 2nd Largest Pool in the World
San Alfonso Del Mar – 2nd Largest Pool in the World

Featuring swimming, sailing, kayaking, and a host of world-class amenities, San Alfonso Del Mar Resort is a must-see travel destination for pool lovers and an incredible achievement in aquatic engineering.

#1- City Stars Sharm El Sheikh

The City Stars Sharm El Sheikh lagoon, which opened in 2015, is officially the world’s largest man-made body of water. Aside from its enormous size, this massive pool located in the Sinai desert is a sight to behold. The saltwater supply is drawn from aquifers and takes several weeks to replenish. The $5.5 billion project is also the most expensive pool in the world.

City Stars Sharm El Sheikh – Photo Credit: Crystal Lagoons

Address: 29HV+8HH, Qesm Sharm Ash Sheikh, South Sinai Governorate, Egypt

City Stars Sharm El Sheikh – Largest Swimming Pool in the World

At 23.9 acres City Stars Sharm El Sheikh by Crystal Lagoons; is officially the largest swimming pool project in the world.

In conclusion:

You may have asked the question “what is the largest swimming pool in the world” and gotten 100 different answers. Unfortunately, there is a lot of conflicting information out there and statistics have a tendency to be copied & pasted without much fact-checking these days. Stats also have a way of changing quicker than human beings tend to update their websites.

In fact, the Guinness Book of World Records even still lists the 8.9-acre Orthlieb Pool in Casablanca, Morocco as the largest pool on the planet. Unfortunately, that pool was demolished back in 1986 and hasn’t been around for quite some time. There are also plenty of places that still list the San Alfonso Del Mar as the world’s largest swimming pool, but it was supplanted back in 2015 by the #1 pool on our list. City Stars Sharm El Sheikh is officially the largest swimming pool on the planet – for now.

5/5 - (46 votes)

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