Casino Point Underwater Dive Park is located off the southeast coast of Santa Catalina Island, less than a 10-minute walk from the Green Pier. This dive park is the country's first city designated underwater park. It was established in 1962 by the owners of the Catalina Divers Supply. The old swim platform at 55ft (the deck is about 30ft long and 20ft wide, rotted away exposing a large grid of steel and supports various sea life).

This unique card provides detailed depiction of the Swim Platform and Underwater Park. Each waterproof card is printed on both sides, made of durable PVC plastic and is designed to be taken on the dive. They are also 3-hole punched to fit in standard log books.