Marineland of the Pacific had a 90 acre site and was located on the Palos Verdes Peninsula in California. 




See here for more brilliant photos!
When it opened it was the largest oceanarium in the world and through the years it housed dolphins, whales, porpoises, sealions, seals and other non-animal related attractions such as the tower.




More photos to come.
Here are some of the park after its closing:
The Entrance In 2006:

And the Reef where people could snorkel with fish:
*I do not own any of these photos, No copyright infringement intended*