33 CFR § 165.776 - Security Zone; Coast Guard Base San Juan, San Juan Harbor, Puerto Rico.
(a) Location. The following area is a security zone: All waters from surface to bottom, encompassed by an imaginary line connecting the following points, beginning at 18°27′39″ N, 066°06′56″ W; then east to Point 2 at 18°27′39″ N, 066°06′52″ W; then south to Point 3 at 18°27′35″ N, 066°06′52″ W; then southwest to Point 4 at 18°27′30″ N, 066°06′59″ W; then northeast to Point 5 at 18°27′25″ N, 066°07′07″ W; then north to Point 6 at 18°27′46″ N, 066°07′10″ W; then back to shore at the northwest end of the CG facility at Point 7 at 18°27′46″ N, 066°07′07″ W. These coordinates are based upon North American Datum 1983.
(b) Definitions. As used in this section -
Vessel means every description of watercraft or other artificial contrivance used, or capable of being used, as a means of transportation on water, except U.S. Coast Guard or U.S. naval vessels.
(1) No person or vessel may enter into the security zone described in paragraph (a) of this section unless authorized by the Captain of the Port San Juan.
(2) Vessels seeking to enter the security zone established in this section may contact the COTP on VHF channel 16 or by telephone at (787) 289-2041 to request permission.