Section 110.150 - Block Island Sound, N.Y(a)The anchorage ground. A 3/4- by 2-mile rectangular area approximately 3 miles east-northeast of Gardiners Island with the following coordinates: latitude 41°06'12" N., longitude 72°00'05" W., latitude 41°07'40" N., longitude 72°01'54" W.; latitude 41°08'12" N., longitude 72°01'10" W.; latitude 41°06'46" N., longitude 71°59'18" W.(b)The regulations. This anchorage ground is for use of U.S. Navy submarines. No vessel or person may approach or remain within 500 yards of a U.S. Navy submarine anchored in this anchorage ground.CGFR 70-114A, 36 FR 5604, Mar. 25, 1971