The Sand Island Channel Shore Protection Project consists of 2,382 feet of revetment with a crest elevation +6 to +8 and a varying slope of 1:1 to 1:1.5. The armor stone is 400 to 3,000 pounds and is keyed and fitted. The project was completed in 1981 at a cost of $511,456 and the project sponsor is the State Department of Transportation, Harbors Division.

The Sand Island Park Shore Protection Project consists of 1,580 feet of revetment and a segmented offshore breakwater. The revetment has a crest elevation of +8 and a slope of 1:1.5, and the armor stone is 3,000 to 5,000 pounds and is keyed and fitted. The segmented offshore breakwater is 360 feet long fronting 600 feet of shoreline. The offshore breakwater has a crest elevation of +8 and a slope of 1:1.5, and the armor stone is 10,000 to 16,000 pounds and is keyed and fitted.  The project was completed in 1990 at a cost of $3,179,504 and the project sponsor is the State Department of Land and Natural Resources, Parks Division.