[1] The island has been used as a treatment pond for sulfite effluent waste from local paper mills,[2] and disposal site for dredging spoils.

[2] The extreme western tip of Rennie Island is a sandy spit, a result of dredging dumps.

Today this spit has grown a modest amount of vegetation, and is occasionally visited by boaters and hunters.

However, due to the very low elevation of Stanley Island, tides often wash over the entirety of the spit.

This Grays Harbor County, Washington state location article is a stub.