The pool complex on Clacton Pier was a former outdoor swimming pool. It converted and operated by Reg Bloom and his family; he was responsible for the introduction of dolphins and later whales to the UK at Flamingoland.The main residents were the bottlenose dolphins, Bubbles and Squeak, and later young killer whales. When the dolphins and whales left the pier their continued to be displays with sea lions and fur seals and also a marine aquarium. Their continues to be a marine aquarium on the pier The SeAquarium.