In the late 1940s The San Diego Harbor Commission undertook a dredging program that provided a new entrance to the yacht basin, and the dredged material was used to connect Shelter Island with Point Loma, and to further raise the island 14 feet above low tide; then another project raised it 7 feet above high tide.
[6][7][8] Still operating since 1954, the famous Bali Hai restaurant has a tiki bar and its own yacht dock; in its early days it had Polynesian floor shows.
The Half Moon Inn, with its attached Humphrey's restaurant and summer concert venue, also retains a Polynesian theme.
Shelter Island is known as a destination for superyachts[11] because it contains one of the few marinas in San Diego Bay with a deep enough harbor for these oversized vessels.
[12] The event also features mock gunbattles between two replicas of 19th century tall ships from the collection of the San Diego Maritime Museum.
The Tunaman's Memorial, a larger-than-life bronze sculpture by Franco Vianello, is dedicated to the tuna fishermen who were formerly an important part of the area's economy.