The Seaside has multiple pools. Some are restricted, like the Yacht Club pool is only for Yacht Club guests, and the South Beach pool is adults only. But the Miami Beach pool & Jungle pool are open to all guests. They are all nearly 6 feet deep, so don't plan on standing around in them! Some have a small shelf for kids to stand and others to sit/lay. Remember to click on the photos to enlarge them. Overall I was happy with the pool & slide experience on this cruise.
Miami Beach Pool
South Beach Pool
The South Beach pool is on deck six aft. This is an adults only location. I've included a photo of the pool deck as well as the view up from there. The Aft Aurea Suites overlook this pool. Some people refer to these rooms as the "condo suites." The aft Infinity Bridge, The Bridge of Sighs, also overlooks this pool. The pool is surrounded by tables, chairs, and the Venchi creperie & of course more gelato. We did not frequent here because he had children in tow.
Forest Aquaventure Park
This is the water park, with four full-sized slides. My five-year-old was excited because he was finally tall enough to ride the slides! The minimum height for the double blue slides and the brown slide is 40". He's 41". The minimum for the Slideboarding one was 42". An interesting note... The KIDS water slide on the Harmony of the Seas had a minimum of 42," and that one is pretty tame when you compare it to the slides on the Seaside, which were like authentic water park slides. In the center of the park was a small pool with sprayers, waterfalls, and a giant dump bucket! Can't forget about the mini slide for the little ones. The Forest Aquaventure park was a lot of fun, and my family frequented here on every sea day. Surprisingly, it never felt too crowded, and the lines for the slides were very reasonable!