Waterparks are an enjoyable way to keep cool on a tropical island. Puerto Rico has a number of water parks to choose from, ranging from those for infants and small kids, to larger parks for bigger kids of all ages. Many of them are only open during the summer months (meaning mid-May to mid-August), but a handful are open year-round.Opened 7/15, A large water park with water slides, lazy river tubes, pools, wave pool, bumper boats, boogie rider and more. Plus beach volley ball, rock wall etc. and snack bars and shops. Just off RT 2 at Km 174.A large water area, with a maximum depth of 8 inches, small slides, interactive water games, sprayers, and fountains. Everything a little kid could want. They have 1-hour sessions throughout the day with a max of 200 people per session.2016 Admission: $15/adults $10 kids plus tax for full pass . Kids less than 3 or seniors over 75 yo are free. Half price for seniors and handicapped. Admission for single attractions $6 adult/$4 child. Can Pay $5 for entrance but not use the attractions.