The swimming pool at Mandalay Bay in Las Vegas is so much fun. My friends were in town and staying at Mandaly. I was pleased when it was hot enough to actually go to the pool. (I know that in a few months when it is over 100 degrees every day I will regret wanting the heat. ) If you are not staying there you can still go, you just have to pay.
The wave pool was really good and was on the entire time we were there. I had heard that it isn’t always turned on. The water is heated. The waves are strong and they have a height restriction of 48 inches.
The lazy river was heated too! It is a decent length around and only 3 1/2 feet deep. The hotel does not provide tubes to float in, but they will sell you a very expensive one!
There is another large regular pool that I didn’t get a picture of. They also have tons of chairs. Each day we had to search to find a few empty chairs together, but we always found a few.