Most Expensive Swimming Pool

Looking at the above image, you might think that this is another one of Dubai’s expensive projects. That couldn’t be further from the truth. It’s the world’s most expensive swimming pool and it’s located at the San Alfonso Del Mar resort in Chile.
The twenty acre pool is as long as three football fields and holds 66 million gallons of saltwater. Its deep end is 115 feet deep. Naturally, it holds the Guinness World Record for being the world’s largest swimming pool.
The water in the pool is in constant circulation, kept clean and clear by a computer-controlled suction and filtration system that draws water in from the ocean at one end and pumps it out at the other. Even at the pool’s deepest point, you can still see the bottom. Not only that, but the water is kept above 78 F in the summer. The nearby ocean water, by contrast, is only around 62 F.
The most expensive swimming pool in the world cost nearly $2 billion to build and requires almost $4 million in annual maintenance.