U.S. Code of Federal Regulations
Regulations most recently checked for updates: Jan 21, 2026
(a) Location. The following area is a security zone: All waters from surface to bottom, within 200 feet of the water's edge of the Coast Guard Base San Juan, bounded by the easternmost point at 18°27′39″ N, 066°06′56″ W and westernmost point 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, designated representative means a Coast Guard Patrol Commander, including a Coast Guard coxswain, petty officer, or other officer operating a Coast Guard vessel and a Federal, State, and local officer designated by or assisting the Captain of the Port (COTP) Sector San Juan in the enforcement of the security zone.
(c) Regulations. (1) Under the general security zone regulations in subpart D of this part, you may not enter the security zone described in paragraph (a) of this section unless authorized by the COTP Sector San Juan or a designated representative.
(2) To seek permission to enter, contact the COTP Sector San Juan or a designated by telephone at (787) 289-2041, or via VHF-FM channel 16 to request authorization. Those in the security zone must comply with all lawful orders or directions given to them by the COTP Sector San Juan or the designated representative.
