[3] Name on the Register[4] Image Date listed[5] Location City or town Description 1 George Adderley House George Adderley House September 10, 1992 (#92001243 ) 5550 Overseas Highway 24°43′11″N 81°04′31″W / 24.719722°N 81.075278°W / 24.719722; -81.075278 (George Adderley House ) Marathon 2 African Cemetery at Higgs Beach African Cemetery at Higgs Beach June 26, 2012 (#12000362 ) 1001 Atlantic Blvd. 24°32′54″N 81°47′11″W / 24.548382°N 81.7864°W / 24.548382; -81.7864 (African Cemetery at Higgs Beach ) Key West 3 AFRICAN QUEEN AFRICAN QUEEN February 18, 1992 (#91001771 ) 99701 Overseas Highway 25°05′44″N 80°26′18″W / 25.095556°N 80.438333°W / 25.095556; -80.438333 (AFRICAN QUEEN ) Key Largo 4 Alligator Reef Light Alligator Reef Light December 1, 2011 (#11000860 ) Offshore 3.5 mi. S. of Upper Matecumbe Key 24°51′06″N 80°37′06″W / 24.851667°N 80.618333°W / 24.851667; -80.618333 (Alligator Reef Light ) Islamorada part of the Light Stations of the United States MPS 5 American Shoal Light American Shoal Light January 25, 2011 (#10001189 ) Offshore of the lower Florida Keys , 9.6 miles southwest of Summerland Key 24°31′30″N 81°31′10″W / 24.525°N 81.519444°W / 24.525; -81.519444 (American Shoal Light ) Summerland Key part of the Light Stations of the United States MPS 6 Angustias Shipwreck Site Angustias Shipwreck Site June 15, 2006 (#06000492 ) Approximately 1-mile (1.6 km) south of U.S. Route 1 in Long Key Channel 24°47′24″N 80°51′46″W / 24.79°N 80.862778°W / 24.79; -80.862778 (Angustias Shipwreck Site ) Layton Part of the 1733 Spanish Plate Fleet Shipwrecks MPS 7 The Armory The Armory March 11, 1971 (#71000243 ) 600 White Street 24°33′35″N 81°47′39″W / 24.55969°N 81.79404°W / 24.55969; -81.79404 (The Armory ) Key West 8 Bat Tower-Sugarloaf Key Bat Tower-Sugarloaf Key May 13, 1982 (#82002377 ) 1 mile (1.6 km) northwest of U.S. Route 1 on Perky Key 24°39′00″N 81°34′10″W / 24.65°N 81.569444°W / 24.65; -81.569444 (Bat Tower-Sugarloaf Key ) Sugarloaf Key 9 Bear Lake Mounds Archeological District Upload image November 5, 1996 (#96001182 ) Address Restricted Flamingo Part of the Archeological Resources of Everglades National Park MPS 10 Cane Patch Upload image November 5, 1996 (#96001179 ) Address Restricted Everglades City Part of the Archeological Resources of Everglades National Park MPS 11 Carysfort Lighthouse Carysfort Lighthouse October 31, 1984 (#84000199 ) Key Largo National Marine Sanctuary 25°13′17″N 80°12′40″W / 25.221389°N 80.211111°W / 25.221389; -80.211111 (Carysfort Lighthouse ) Key Largo 12 Chaves Shipwreck Site Chaves Shipwreck Site June 15, 2006 (#06000493 ) Seaward end of Snake Creek off Windley Key 24°56′11″N 80°34′58″W / 24.936389°N 80.582778°W / 24.936389; -80.582778 (Chaves Shipwreck Site ) Islamorada Part of the 1733 Spanish Plate Fleet Shipwrecks MPS 13 Crane Point Crane Point October 28, 2021 (#100007123 ) 5550 Overseas Highway 24°43′11″N 81°04′31″W / 24.719722°N 81.075278°W / 24.719722; -81.075278 (Crane Point ) Marathon 14 Dry Tortugas National Park Dry Tortugas National Park October 26, 1992 (#01000228 ) 70 miles (110 km) west of Key West 24°37′43″N 82°52′24″W / 24.628611°N 82.873333°W / 24.628611; -82.873333 (Dry Tortugas National Park ) Key West 15 El Gallo Indiano Shipwreck Site El Gallo Indiano Shipwreck Site June 15, 2006 (#06000494 ) Seaward end of channel #5 between Craig Key and Long Key 24°48′39″N 80°45′57″W / 24.810833°N 80.765833°W / 24.810833; -80.765833 (El Gallo Indiano Shipwreck Site ) Layton Part of the 1733 Spanish Plate Fleet Shipwrecks MPS 16 El Infante Shipwreck Site Upload image June 15, 2006 (#06000496 ) 4 miles (6.4 km) offshore Plantation Key 24°42′08″N 80°28′48″W / 24.702222°N 80.48°W / 24.702222; -80.48 (El Infante Shipwreck Site ) Plantation Part of the 1733 Spanish Plate Fleet Shipwrecks MPS 17 El Rubi Shipwreck Site El Rubi Shipwreck Site June 15, 2006 (#06000497 ) 4 miles (6.4 km) offshore Plantation Key 24°55′30″N 80°30′54″W / 24.925°N 80.515°W / 24.925; -80.515 (El Rubi Shipwreck Site ) Tavernier Part of the 1733 Spanish Plate Fleet Shipwrecks MPS 18 Florida Keys Memorial Florida Keys Memorial March 16, 1995 (#95000238 ) U.S. Route 1 at Mile Marker 81.5 24°55′02″N 80°38′09″W / 24.91713°N 80.63597°W / 24.91713; -80.63597 (Florida Keys Memorial ) Islamorada 19 Fort Jefferson National Monument Fort Jefferson National Monument November 10, 1970 (#70000069 ) 68 miles (109 km) west of Key West in the Gulf of Mexico 24°37′37″N 82°52′23″W / 24.626944°N 82.873056°W / 24.626944; -82.873056 (Fort Jefferson National Monument ) Dry Tortugas Islands 20 Fort Zachary Taylor Fort Zachary Taylor March 11, 1971 (#71000244 ) U.S. Naval Station 24°32′51″N 81°48′37″W / 24.5475°N 81.810278°W / 24.5475; -81.810278 (Fort Zachary Taylor ) Key West 21 Eduardo H. Gato House Eduardo H. Gato House April 11, 1973 (#73000586 ) 1209 Virginia Street 24°33′19″N 81°47′25″W / 24.555278°N 81.790278°W / 24.555278; -81.790278 (Eduardo H. Gato House ) Key West 22 Ernest Hemingway House Ernest Hemingway House November 24, 1968 (#68000023 ) 907 Whitehead Street 24°33′04″N 81°48′02″W / 24.5512°N 81.8006°W / 24.5512; -81.8006 (Ernest Hemingway House ) Key West 23 Herrara Shipwreck Site Herrara Shipwreck Site June 15, 2006 (#06000495 ) 2½ miles offshore Whale Harbor 24°54′21″N 80°35′32″W / 24.9058°N 80.5922°W / 24.9058; -80.5922 (Herrara Shipwreck Site ) Islamorada Part of the 1733 Spanish Plate Fleet Shipwrecks MPS 24 Indian Key Indian Key June 19, 1972 (#72000342 ) Indian Key[6] 24°52′41″N 80°40′36″W / 24.8781°N 80.6767°W / 24.8781; -80.6767 (Indian Key ) Lower Matecumbe Key 25 INGHAM (USCGC) INGHAM (USCGC) April 27, 1992 (#92001879 ) East quay wall at the Truman Waterfront, at the end of Southard St. 24°33′08″N 81°48′27″W / 24.5523°N 81.8075°W / 24.5523; -81.8075 (INGHAM (USCGC) ) Key West Relocated from Charleston, South Carolina 26 John Pennekamp Coral Reef State Park and Reserve John Pennekamp Coral Reef State Park and Reserve April 14, 1972 (#72000340 ) U.S. Route 1 25°10′41″N 80°18′07″W / 25.1781°N 80.3019°W / 25.1781; -80.3019 (John Pennekamp Coral Reef State Park and Reserve ) Key Largo 27 Key West Historic District Key West Historic District March 11, 1971 (#71000245 ) Bounded approximately by White, Angela, Windsor, Passover, Thomas, and Whitehead Streets, and the Gulf of Mexico ; also roughly bounded by Emma, Whitehead, White, and South Streets, Mallory Square, and the Atlantic Ocean 24°33′19″N 81°48′06″W / 24.5553°N 81.8017°W / 24.5553; -81.8017 (Key West Historic District ) Key West Second set of boundaries represents a boundary increase of February 24, 1983 (refnum 83001430) 28 LaBranche Fishing Camp Upload image May 9, 1997 (#97000404 ) Address Restricted Islamorada 29 Lignumvitae Key Archeological and Historical District Lignumvitae Key Archeological and Historical District February 16, 1999 (#98000652 ) Address Restricted 24°54′07″N 80°41′58″W / 24.9019°N 80.6994°W / 24.9019; -80.6994 (Lignumvitae Key Archeological and Historical District ) Islamorada 30 Little White House Little White House February 12, 1974 (#74000652 ) Naval Station 24°33′23″N 81°48′25″W / 24.5563°N 81.8069°W / 24.5563; -81.8069 (Little White House ) Key West 31 Martello Gallery-Key West Art and Historical Museum Martello Gallery-Key West Art and Historical Museum June 19, 1972 (#72000341 ) South Roosevelt Boulevard 24°33′07″N 81°45′18″W / 24.5519°N 81.755°W / 24.5519; -81.755 (Martello Gallery-Key West Art and Historical Museum ) Key West 32 Matecumbe Methodist Church Matecumbe Methodist Church November 24, 2020 (#100005820 ) 81831 Overseas Hwy. 24°55′02″N 80°38′08″W / 24.91734°N 80.63561°W / 24.91734; -80.63561 (Matecumbe Methodist Church ) Islamorada 33 Matecumbe Methodist Church Cemetery Matecumbe Methodist Church Cemetery February 5, 2021 (#100006117 ) 81801 Overseas Hwy. 24°55′02″N 80°38′09″W / 24.9172°N 80.6358°W / 24.9172; -80.6358 (Matecumbe Methodist Church Cemetery ) Islamorada 34 Mud Lake Canal Mud Lake Canal September 20, 2006 (#06000979 ) Cape Sable in Everglades National Park 25°10′26″N 80°56′17″W / 25.1739°N 80.9381°W / 25.1739; -80.9381 (Mud Lake Canal ) Flamingo 35 Old Post Office and Customshouse Old Post Office and Customshouse September 20, 1973 (#73000587 ) Front Street 24°33′30″N 81°48′25″W / 24.5583°N 81.8070°W / 24.5583; -81.8070 (Old Post Office and Customshouse ) Key West 36 Overseas Highway and Railway Bridges Overseas Highway and Railway Bridges August 13, 1979 (#79000684 ) Bridges on U.S. Route 1 between Long and Conch Key , Knight and Little Duck Key , and Bahia Honda and Spanish Key ; also parallel to U.S. Route 1 (approximately between mile markers 9.8 and 72.8) 24°42′42″N 81°07′23″W / 24.7117°N 81.1231°W / 24.7117; -81.1231 (Overseas Highway and Railway Bridges ) Florida Keys "Parallel to U.S. Route 1" represents a boundary increase of August 3, 2004 37 Pigeon Key Historic District Pigeon Key Historic District March 16, 1990 (#90000443 ) Off U.S. Route 1 at mile marker 45 24°42′14″N 81°09′19″W / 24.7039°N 81.1553°W / 24.7039; -81.1553 (Pigeon Key Historic District ) Pigeon Key 38 Dr. Joseph Y. Porter House Dr. Joseph Y. Porter House June 4, 1973 (#73000588 ) 429 Caroline Street 24°33′26″N 81°48′17″W / 24.5572°N 81.8047°W / 24.5572; -81.8047 (Dr. Joseph Y. Porter House ) Key West 39 Rock Mound Archeological Site Upload image July 1, 1975 (#75000562 ) Address Restricted Key Largo 40 Rookery Mound Upload image November 5, 1996 (#96001183 ) Address Restricted Everglades City Part of the Archeological Resources of Everglades National Park MPS 41 SAN FELIPE Shipwreck Site Upload image August 11, 1994 (#94000794 ) Address Restricted Islamorada Part of the 1733 Spanish Plate Fleet Shipwrecks MPS 42 San Francisco Shipwreck Site San Francisco Shipwreck Site June 15, 2006 (#06000499 ) Seaward end of Channel #2 off Craig Key 24°49′11″N 80°45′26″W / 24.8197°N 80.7572°W / 24.8197; -80.7572 (San Francisco Shipwreck Site ) Layton Part of the 1733 Spanish Plate Fleet Shipwrecks MPS 43 SAN JOSE Shipwreck Site Upload image March 18, 1975 (#75002123 ) Address Restricted Plantation Key Part of the 1733 Spanish Plate Fleet Shipwrecks MPS 44 SAN PEDRO (shipwreck) Upload image May 31, 2001 (#01000530 ) 1¼ miles south of Indian Key 24°51′18″N 80°40′36″W / 24.855°N 80.676667°W / 24.855; -80.676667 (SAN PEDRO (shipwreck) ) Islamorada Part of the 1733 Spanish Plate Fleet Shipwrecks MPS 45 Sand Key Lighthouse Sand Key Lighthouse April 11, 1973 (#73000589 ) 7 miles (11 km) southwest of Key West on Sand Key 24°27′50″N 81°52′46″W / 24.463889°N 81.879444°W / 24.463889; -81.879444 (Sand Key Lighthouse ) Key West 46 Sloppy Joe's Bar Sloppy Joe's Bar November 1, 2006 (#06000957 ) 201 Duval Street 24°33′33″N 81°48′18″W / 24.55906°N 81.80503°W / 24.55906; -81.80503 (Sloppy Joe's Bar ) Key West 47 Sombrero Key Light Sombrero Key Light March 9, 2012 (#12000092 ) Offshore approximately 5.5-mile (8.9 km) SSW of Marathon 24°37′40″N 81°06′42″W / 24.627906°N 81.111606°W / 24.627906; -81.111606 (Sombrero Key Light ) Marathon part of the Light Stations of the United States MPS 48 Sueco de Arizon Shipwreck Site Sueco de Arizon Shipwreck Site June 15, 2006 (#06000500 ) 1,600 yards (1,500 m) offshore Conch Key 24°46′41″N 80°53′19″W / 24.778056°N 80.888611°W / 24.778056; -80.888611 (Sueco de Arizon Shipwreck Site ) Layton Part of the 1733 Spanish Plate Fleet Shipwrecks MPS 49 Ten Thousand Islands Archeological District Ten Thousand Islands Archeological District November 5, 1996 (#96001180 ) Address Restricted Everglades City Part of the Archeological Resources of Everglades National Park MPS 50 Thompson Fish House, Turtle Cannery and Kraals Thompson Fish House, Turtle Cannery and Kraals June 23, 1994 (#94000633 ) 200 Margaret Street 24°33′42″N 81°48′04″W / 24.561667°N 81.801111°W / 24.561667; -81.801111 (Thompson Fish House, Turtle Cannery and Kraals ) Key West 51 Tres Puentes Shipwreck Site Upload image June 15, 2006 (#06000501 ) Seaward edge of Hawk Channel of Islamorada 24°53′38″N 80°35′02″W / 24.893889°N 80.583889°W / 24.893889; -80.583889 (Tres Puentes Shipwreck Site ) Islamorada Part of the 1733 Spanish Plate Fleet Shipwrecks MPS 52 U.S. Coast Guard Headquarters, Key West Station U.S. Coast Guard Headquarters, Key West Station October 15, 1973 (#73000590 ) Northwestern corner of Front and Whitehead Streets 24°33′32″N 81°48′25″W / 24.55875°N 81.80695°W / 24.55875; -81.80695 (U.S. Coast Guard Headquarters, Key West Station ) Key West 53 US Naval Station US Naval Station May 8, 1984 (#84000915 ) Roughly bounded by Whitehead, Eaton, and Caroline Streets 24°33′20″N 81°48′23″W / 24.555556°N 81.806389°W / 24.555556; -81.806389 (US Naval Station ) Key West 54 USCG Cutter DUANE USCG Cutter DUANE May 16, 2002 (#02000494 ) 1-mile (1.6 km) south of Molasses Reef 24°59′28″N 80°22′53″W / 24.991111°N 80.381389°W / 24.991111; -80.381389 (USCG Cutter DUANE ) Key Largo 55 USS ALLIGATOR USS ALLIGATOR June 6, 1996 (#96000581 ) Address Restricted Islamorada 56 Veterans of Foreign Wars Walter R. Mickens Post 6021 and William Weech American Legion Post 168 Veterans of Foreign Wars Walter R. Mickens Post 6021 and William Weech American Legion Post 168 May 30, 2012 (#12000300 ) 803 Emma St. 24°33′03″N 81°48′13″W / 24.550705°N 81.803609°W / 24.550705; -81.803609 (Veterans of Foreign Wars Walter R. Mickens Post 6021 and William Weech American Legion Post 168 ) Key West 57 West Martello Tower West Martello Tower June 24, 1976 (#76000602 ) Monroe County beach between Reynolds and White Streets 24°32′49″N 81°47′10″W / 24.546944°N 81.786111°W / 24.546944; -81.786111 (West Martello Tower ) Key West 58 WESTERN UNION (schooner) WESTERN UNION (schooner) May 16, 1984 (#84000930 ) Pier A, Truman Annex 24°33′26″N 81°48′30″W / 24.557222°N 81.808333°W / 24.557222; -81.808333 (WESTERN UNION (schooner) ) Key West