The last spinner dolphin is released from the Sea Life Park.
According to a list of Cetacean Releases (http://www.rockisland.com/~orcasurv/releases.htm), “1983. One spinner dolphin (Stenella longirostris) was released on 06/07/83 by Sea Life Park, Hawaii after seven years of captivity (NMFS MMIR 08/03/93). No followup reported. Presumed native reintroduction. One dolphin; Captive 7 years; no followup.”
Bottlenose dolphins are still resident at Sea Life Park.