How large are these swimming pools? Well, scroll through to find out, and perhaps while you’re at it, start planning your next vacation to visit one of these gigantic pools.


A World Record Holder. Located in an Egyptian resort town, the crystalline lagoon at Citystars Sharm el Sheik currently holds the Guinness World Record for the largest man-made body of water with an official measurement of 23.9 acres. Technically, it’s the “largest crystalline lagoon,” since it mimics a natural body of water, but maybe that’s even more impressive. We are still skeptical about its claim to the throne of the largest swimming pool in the world.

Amazingly, the pool was constructed in the middle of the Sinai desert and cost $5.5 million to be built and takes several weeks to be filled with salt water.


Roughly the size of 6,000 backyard pools and officially measured at nearly 20 acres and 66 million gallons of water, the San Alfonso del Mar was built by the same company as the Citystars lagoon, which is why they share similarities (although this pool has a more traditional construction). Similar to the Citystars lagoon, the San Alfonso del Mar is filled with salt water and was built in close proximity to an actual beach. The salt water in the San Alfonso del Mar is constantly regulated, so it’s always warmer than the nearby sea. Again, a salt water pool; we’re personally not great fans, but it’s on the list.


Centrally located in an exclusive and luxurious country club, the 17-acre pool at MahaSamutr (translated as “the ocean”) is unique not just because of its size. MahamSamutr acts like a personal mini-sea for members of the country club as it can be used like a traditional beach, but also for water sports like kayaking, paddleboarding and even sailing.


Part of the Las Brisas luxury condominium complex, the five-acre saltwater pool is roughly the same size as 16 Olympic-sized swimming pools! Like the other much larger pools, the Las Brisas pool overlooks the Pacific Ocean and its sparkling blueness often is a more brilliant hue of blue compared to the real thing, which is located just a stone’s throw away.


For many years the Orthlieb Pool of Casablanca, Morocco was thought to be the biggest pool in the world. According to the reports, it measures 1,574 feet long and 246 feet wide, with an amazing area coverage of 8.9 acres. Sounds pretty impressive, right? There’s only one problem – there’s little sign that the Orthlieb ever existed, and less sign that it’s still there today. Amazing, isn’t it?

The only evidence we have are some dubious and ancient postcards claiming to feature the pool. So what happened to this mythical giant pool? Was it planned for construction but never built? We may never know the full story.


Spanning over 150,000 square feet and measuring close to 3.5 acres, the pool at the luxurious Laguna Bahia is big enough for a variety of water sports like kayaking and even windsurfing. The pool has a dedicated shallow area for children and a lengthy beach that offers ample room for lounging.


With a name like Dreamworld, it shouldn’t be surprising to learn that the world’s largest freshwater swimming pool is located at the aptly named resort and theme park. At about two acres, the Fun Lagoon contains approximately two million gallons of local well water and offers water-themed activities like rowing boats, swings and inflatable slides.


Thanks to a massive renovation, the Hayman Island Resort pool, just off the Great Barrier Reef, is the size of seven Olympic swimming pools put together, and is actually a giant saltwater pool surrounding a freshwater pool (with a bar area, of course). The resort says that it’s the largest pool in the southern hemisphere: We’re not totally convinced that’s true, but it certainly is impressive either way.

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