SeaWorld San Antonio is a marine mammal park, oceanarium, and animal theme park, located in the Westover Hills District of San Antonio, Texas. It is the largest of the three parks in the SeaWorld chain owned by SeaWorld Entertainment, a division of Blackstone Group, and the world's largest marine-life theme park. The other two SeaWorld parks are located in San Diego, California and Orlando, Florida. It is a member of the Alliance of Marine Mammal Parks and Aquariums and is accredited by the Association of Zoos and Aquariums .