Capsule: Oceania Island is a tiny two-tower enclave located just across U.S. A1A from the three-tower oceanfront Oceania complex in Sunny Isles. (The towers to the left and right of Oceania are across A1A on the ocean.) Oceania offers a beach club,health club and full service spa, located on the ocean side, and a marina located on Oceania Island. Oceanis a half century ago was the site of the Castaways motel, with its famed Wreck Bar.