Splashtown (originally known as "Seaside Amusement Park") is a large indoor water park located near Houston, Texas, United States. It is known for its vast array of water slides and other water-themed attractions, making it one of the largest water parks in the world. In addition to its water-based activities, the park also features several dry rides, a poolside lounge, a rock wall, a mini golf course, and an arcade. The park is currently owned and operated by the United Companies of Splashtown.