Garmin Blue Chart G2 - Caribbean,Bahamas,Gulf Mexico, & Misc. - Garmin Chart numbers 2US300B - 2US0305B 2US300B - Detailed bathymetric coverage of offshore canyons from Grand Manan Island, New Brunswick to Baltimore Canyon including George's Bank, Wilmington, Carteret, Hydrographer, and Hudson Canyons. General coverage from Lubec, ME to Chincoteague Bay including Cape Cod Bay, Long Island, NY, and Delaware Bay. This chart does not contain the necessary detail for navigation. This is a fishing chart and should be used as a supplement to detail ed BlueChart cartography. 2US301B - Detailed bathymetric coverage of offshore canyons from Gilbert Canyon to Richardson Hills including Hudson, Hatteras, Baltimore, and Wilmington Canyons. also includes general coverage of the East Coast from Long Branch, NJ to Hilton Head Island, SC including Delaware and Chesapeake Bays. This chart does not contain the necessary detail for navigation. This is a fishing chart and should be used as a supplement to detailed BlueChart cartography. 2US302B - Detailed bathymetric coverage of offshore canyons from Hatteras Canyon through Blake Canyon including Blake Escarpment, Richardson Hills, and Harrington Hill. Also includes general coverage of the East Coast from Southport, NC through Tampa, FL including Grand Bahama Island, Abaco Island, Eleuthera Island, the Florida Keys, and the Dry Tortugas. This is a fishing chart and should be used as a supplement to detailed BlueChart cartography. 2US303B - Detailed bathymetric coverage of offshore canyons from Vernon Basin to Alaminos Canyon including DeSoto Canyon, Mississippi Canyon and Green Canyon. Also includes general coverage from Sanibel Island , FL along the Gulf of Mexico to the US/Mexico border including Galveston and Vermilion Bays. This is a fishing chart and should be used as a supplement to detailed BlueChart cartography. 2US304B - Detailed bathymetric coverage of United States waters in the Chukchi and Bering Seas, Gulf of Alaska, as well as along the entire Aleutian chain. Bathymetry depicts features such as Hope Seavalley , Umnak Plateau, Pribilof Canyon, the Aleutian Trench, Sirius Seamount, and much more. Also includes general coverage of the Aleutians and Alaskan coast from Utukok Pass to Yakutat Bay. This is a fishing chart and should be used as a supplement to detailed BlueChart cartography. 2US305B - Bathymetric coverage of the West Coast of the United States from San Diego Harbor through Puget Sound including the San Juan Seamount, Monterey Canyon, Oregon Escarpment, Astoria Seachannel, and Byrne Ridge. This is a fishing chart and should be used as a supplement to detailed BlueChart