From luxurious resort amenities to architectural marvels, the world boasts some of the most colossal swimming pools that redefine aquatic grandeur. Let’s dive into the depths of extravagance as we explore the top 10 largest swimming pools in the world that beckon swimmers and leisure-seekers from around the globe.
The world’s largest swimming pools are feats of engineering and luxury. Topping the list is the colossal pool at Egypt, named CityStars Sharm El Sheikh. From the opulence of CityStars Sharm El Sheikh in Egypt to the innovative glass-enclosed pools at Aquaria Grande in Mumbai, these aquatic wonders redefine leisure with their expansive dimensions and breathtaking designs.
As of 2025, the City Stars Sharm El Sheikh in Egypt holds the title of the world’s largest swimming pool. Spread over 23.9 acres, this massive man-made lagoon is located in the Sinai desert, about three miles from the sea. It opened in 2015 and looks like a natural lagoon, even though it’s fully built by people. The pool uses salty water from underground aquifers, which takes several days to refill. Costing $5.5 billion, it’s not just a swimming spot but a true luxury landmark and a record-breaking attraction in Egypt.
The City Stars Sharm EI Sheikh, located in Egypt, claims the title of the biggest swimming pool of the world, followed by San Alfonso Del Mar Resort, MahaSamutr Pool, and Ostrava Poruba, Czech Republic.
Here is the list of top-10 largest swimming pools in the world:
| LARGETS SWIMMING POOLS IN THE WORLD 2025 | |||
| Rank | Name | Location | Size |
| 1. | City Stars Sharm El Sheikh | Sinai desert, Egypt | 23.9 acres |
| 2. | San Alfonso Del Mar Resort | Algarrobo, Chile | 20 acres |
| 3. | MahaSamutr Pool | Prachuap Khiri Khan, Thailand | 72,000 sq meters, 2.4 meters deep |
| 4. | Ostrava Poruba, Czech Republic | Ostrava, Czech Republic | 10 acres |
| 5. | The Lagoon at Epperson | North of Tampa, U.S. | 7.5 acres |
| 6. | Piscina Las Brisas de Santo Domingo | Las Brisas, Chile | 5 acres |
| 7. | The Lagoon at Windsong Ranch | U.S. | 4.9 acres |
| 8. | Laguna Bahia, Chile | Laguna Bahia resort, Chile | 3.5 acres |
| 9. | Hayman Island Resort Pool | Whitsundays, Australia | 2.2 acres |
| 10. | Dreamworld Fun Lagoon | Karachi, Pakistan | 95,000 sq. feet |
Location: Egypt
Size: 23.9 acres
The City Stars Sharm El Sheikh lagoon, inaugurated in 2015, stands as the world’s largest man-made water body. Nestled in the Sinai desert, its colossal size is awe-inspiring. Fueled by saltwater from aquifers, the pool takes weeks to replenish, adding to its uniqueness. With a staggering cost of $5.5 billion, this project is crowned as the most expensive swimming pool globally, making it a captivating marvel of engineering and opulence.
Location: Algarrobo, Chile
Size: 20 acres
The San Alfonso Del Mar Resort in Chile stands as the world’s second-largest swimming pool, nestled within a private resort in Algarrobo, approximately 60 miles west of Santiago. Spanning over nine football fields, this colossal saltwater pool holds an impressive 66 million gallons of water. Built by Crystal Lagoons, it clinched the world’s largest pool title upon completion in 2006 and maintained the record for almost a decade, making it a spectacular aquatic wonder.
Location: Prachuap Khiri Khan, Thailand
Size: 72,000 sq meters, 2.4 meters deep
The MahaSamutr pool proudly holds the title of Asia’s largest man-made lagoon, boasting a vast surface area of 72,000 square meters and a maximum depth of 2.4 meters. Nestled within the upscale MahaSamutr development project in Hua Hin, Thailand, this colossal pool, surrounded by an artificial sand beach, stands as the world’s third-largest swimming pool. Crafted by Crystal Lagoons, it marks a significant aquatic marvel in Thailand’s landscape.
The City Stars Sharm EI Sheikh, located in Egypt, claims the title of the biggest swimming pool of the world.
The San Alfonso Del Mar Resort in Chile stands as the world's second-largest swimming pool, nestled within a private resort in Algarrobo, approximately 60 miles west of Santiago.
Located next to Shivaji Park in Dadar, Mahatama Gandhi Memorial Swimming Pool is one of the largest swimming pools in Mumbai. The pool is almost 15 ft deep, and 50 metres long.
The top-5 largest swimming pools in the world are: City Stars Sharm El Sheikh, San Alfonso Del Mar Resort, MahaSamutr Pool, Ostrava Poruba, Czech Republic, and The Lagoon at Epperson.
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