US Army Corps of Engineers
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Waianae Small Boat Harbor

Waianae Small Boat Harbor is located on the west coast of Oahu and the project was authorized under Section 107 of the River and Harbor Act of 1965. The project was completed in January 1979 at a cost of $3,845,676 (Federal: $1,943,010; non-Federal: $1,902,666).

The Federal navigation features consist of a main breakwater (1,690 feet long); a stub breakwater (220 feet long); an entrance channel (1,150 feet long, 150 to 180 feet wide and 12 to 15 feet deep); a main access channel (400 feet long, 100 feet wide, and 12 feet deep); and a turning basin (330 feet long, 200 feet wide and 12 feet deep). Local project features include 109 berths and seven boat ramps.

Waianae Small Boat Harbor is the busiest harbor serving trailered boats within the State of Hawaii and generates over $2,000,000 annually through commercial diving and tourism activities. The local sponsor is the State of Hawaii, Department of Land and Natural Resources.