
The largest swimming pools in the world are truly a marvel of engineering and design. The San Alfonso del Mar Seawater Pool in Chile holds the Guinness World Record for the largest swimming pool in the world, covering an area of 8 hectares.
Measuring 1 kilometer long and 100 meters wide, this massive pool can hold up to 250 million liters of water. It's a staggering sight to behold, and a testament to the ingenuity of its creators.
Located in the resort town of Algarrobo, this pool is a popular destination for tourists and locals alike, offering a unique swimming experience amidst the scenic backdrop of the Chilean coast.
Largest Pools in the World
The largest pools in the world are truly a sight to behold. Here are some key facts about these massive swimming pools.
The largest pool in the world is the City Stars Sharm El Sheikh in Egypt, covering an impressive 23.9 acres. It's a sea water pool that was opened in 2015.
Located in Chile, the San Alfonso Del Mar pool is the second largest, spanning 20 acres. It's also a sea water pool that was opened in 2006.
Mahasamutr in Thailand takes the third spot, with a size of 17 acres. This sea water pool was opened in 2014.
Some of these massive pools are older than you might think. The Ostrava Poruba – Vřesina pool in the Czech Republic, for example, has been around since 1962.
Here's a list of the top 10 largest pools in the world, ranked by their size:
The oldest pool on this list is the Hayman Island Resort Pool in Australia, which was opened in 1950.
Notable Pools
The largest swimming pools in the world are truly awe-inspiring. The San Alfonso del Mar pool in Chile is the largest pool in the world, stretching over 8 hectares in size.
It's hard to wrap your head around the sheer scale of this pool, but it's worth noting that it holds over 250 million liters of water. That's a lot of chlorine!
The pool is so massive that it's even visible from space, although that's a bit of an exaggeration - but it's still an incredible feat of engineering.
7 Piscina Las Brisas de Santo Domingo
Piscina Las Brisas de Santo Domingo is a massive saltwater pool that's part of the Las Brisas upscale condominium development in Chile. It's roughly the size of 16 Olympic-sized swimming pools.
This architectural achievement is one of the largest swimming pools on the planet. The pool offers a stunning view of the Pacific Ocean.
The pool's crystal clear water is a sight to behold, and it's a great spot to relax and enjoy the surroundings.
Ocean Dome, Japan
Ocean Dome, Japan was the world's largest indoor water park from 1993 to 2007. It was a Polynesia-themed Dome located in Miyakazi, Japan.
The Dome was a central feature of the Sheraton Seagaia Resort and was famous for its artificial waves. The Dome was 300 metres long and 100 metres wide.
It also featured a flame-spitting volcano, an artificial beach, and the world's biggest retractable roof in four sections. The water temperature was held at 28 degrees Celsius.
The Seagaia Ocean Dome was closed in 2007 due to renovation and re-branding efforts.
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Large Pools by Location
If you're looking for a massive pool experience, consider visiting the San Alfonso del Mar Seawater Pool in Chile, which is over 8,500 feet long and holds over 250 million liters of water.
The San Alfonso del Mar Seawater Pool is located in Algarrobo, Chile, and is a major tourist attraction.
The pool is part of a resort and is surrounded by beautiful scenery, making it a great spot to relax and enjoy the sun.
The San Alfonso del Mar Seawater Pool is also a great place to learn how to swim, with calm and clear waters perfect for beginners.
The pool is open year-round and offers a variety of activities, including swimming, kayaking, and paddleboarding.
The largest pool in the United States can be found at the Fort Worth Water Gardens in Texas, which has a surface area of over 3.5 acres.
The Fort Worth Water Gardens is a popular spot for locals and tourists alike, with its unique design and tranquil atmosphere.
The pool is a great place to escape the hustle and bustle of city life and enjoy some peace and quiet.
The largest pool in Europe is the Yves Saint Laurent Museum's pool in Marrakech, Morocco, which is over 1,000 square meters in size.
The Yves Saint Laurent Museum's pool is a beautiful and serene spot, surrounded by lush greenery and stunning architecture.
The pool is a great place to relax and unwind, with its calm and peaceful atmosphere.
The largest pool in Asia can be found in the Grand Hyatt Singapore, which has a surface area of over 1,000 square meters.
The Grand Hyatt Singapore's pool is a great spot to enjoy the sun and relax in style.
The pool is surrounded by beautiful gardens and offers stunning views of the city.
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Specific Pool Rankings
The largest swimming pools in the world are truly impressive, and some of them are worth a closer look.
The San Alfonso del Mar pool in Chile holds the Guinness World Record for the largest outdoor pool in the world, covering an area of 8 hectares.

Located in Dubai, the Atlantis, The Palm pool is an engineering marvel, holding over 42 million liters of water and stretching 1.5 kilometers long.
The Burj Al Arab pool in Dubai is a sight to behold, with its infinity edge offering breathtaking views of the Arabian Gulf.
The Grand Resort Bad Ragaz pool in Switzerland is a tranquil oasis, featuring a 50-meter-long indoor pool with a stunning view of the surrounding mountains.
The San Alfonso del Mar pool also boasts a remarkable 300-meter-long swimming area, perfect for laps and water sports.
The Atlantis, The Palm pool is not just a pool, but a fully-fledged water park with a variety of slides, a wave pool, and even a lazy river.
The Grand Resort Bad Ragaz pool is a popular spot for water therapy and relaxation, with its warm waters and soothing atmosphere.
The Burj Al Arab pool is a favorite among celebrities and dignitaries, offering a luxurious and exclusive experience.
The San Alfonso del Mar pool is open year-round, and its warm waters make it a popular destination for swimming and water sports.
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The Atlantis, The Palm pool is a must-visit attraction in Dubai, with its sheer size and variety of amenities making it a standout destination.
The Grand Resort Bad Ragaz pool is a hidden gem in the Swiss Alps, offering a serene and peaceful atmosphere for those seeking relaxation.
The Burj Al Arab pool is a testament to Dubai's commitment to luxury and excess, with its opulent surroundings and stunning views.
Frequently Asked Questions
How big is a 500,000 gallon pool?
An Olympic-size pool with 500,000 gallons of water is approximately 50 meters long and 25 meters wide. This size pool is ideal for competitive swimming and diving events.
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