Top-10 Biggest Swimming Pools in the World by 2025, Check the List

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.

World’s Largest Swimming Pools

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.

World’s Biggest Swimming Pool 2025

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.

Top-10 Biggest Swimming Pools in the World By 2025

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

World’s Largest Swimming Pool – City Stars Sharm El Sheikh

 

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.

Second Biggest Swimming Pool in the World – San Alfonso Del Mar Resort

 

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.

Third Largest Swimming Pool in the World – MahaSamutr Pool

 

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.