Section 110.190 - Tortugas Harbor, in vicinity of Garden Key, Dry Tortugas, Fla(a)The anchorage grounds. All of Bird Key Harbor, southwest of Garden Key, bounded by the surrounding reefs and shoals and, on the northeast, by a line extending from Fort Jefferson West Channel Daybeacon 2 to Fort Jefferson West Channel Daybeacon 4, thence to Fort Jefferson West Channel Daybeacon 6, and thence to Fort Jefferson West Channel Daybeacon 8.(b)The regulations. Except in cases of emergency involving danger to life or property, no vessel engaged in commercial fishing or shrimping shall anchor in any of the channels harbors, or lagoons in the vicinity of Garden Keys, Bush Key, or the surrounding shoals, outside of Bird Key Harbor.