Xocomil

Xocomil is a water park in Retalhuleu, part if the Irtra family of parks. It has lots of water rides including  an artificial river that rounds parts of the park, a couple of waves pools, water-slides, kids pools with games and more. It also some restaurants and gift shops.

If you love water, you will love Xocomil, just be prepared to climb a lot of stairs.