Region
United States
9
United States Virgin Islands
9
Marshall Islands
8
Northern Mariana Islands
6
Alaska
3
Florida
3
Micronesia
3
Micronesia (Federated States)
3
New York (State)
3
Admiralty Island National Monument Wilderness (Alaska)
2
Fire Island National Seashore (N.Y.)
2
Georgia
2
Guam
2
North Carolina
2
Rhode Island
2
Bainbridge Island
1
Bikini Atoll (Marshall Islands)
1
California
1
Castle Nugent Estate (United States Virgin Islands)
1
Cat Island (Miss.)
1
Cat Island National Wildlife Refuge (La.)
1
Cedar Keys (Islands)
1
Channel Islands
1
Cumberland Island Wilderness (Ga.)
1
Delaware
1
Desecheo National Wildlife Refuge (P.R.)
1
Great Plains
1
Greens Creek
1
Gulf Islands National Seashore (Fla. and Miss.)
1
Jekyll Island
1
Louisiana
1
Matagorda County
1
Michigan
1
Mississippi
1
Narragansett Indian Tribe
1
Navassa Island
1
Navassa Island National Wildlife Refuge (Navassa Island)
1
New York
1
Palau
1
Pribilof Islands
1
Pribilof Islands (Alaska)
1
Puerto Rico
1
Rongelap Atoll
1
Saint Croix
1
Saint Croix National Heritage Area (United States Virgin Islands)
1
Saint Helena Island (Mich.)
1
Saint Helena Island National Scenic Area (Mich.)
1
Salt River Bay National Historical Park and Ecological Preserve (United States Virgin Islands)
1
Texas
1
Utrōk Atoll
1
more ...