The area of Fire Island National Seashore is 79.233 square kilometers.
The area of Padre Island National Seashore is 527.848 square kilometers.
The area of Canaveral National Seashore is 233.35 square kilometers.
The area of Cape Hatteras National Seashore is 122.698 square kilometers.
The area of Point Reyes National Seashore is 287.44 square kilometers.
The area of Gulf Islands National Seashore is 548.179 square kilometers.
The area of Cape Lookout National Seashore is 114.297 square kilometers.
The area of Grand Island National Recreation Area is 54.633 square kilometers.
The area of Curtis Island National Park is 15.5 square kilometers.
The area of Cliff Island National Park is 430,000.0 square meters.
Grand Island National Recreation Area was created in 1990.
The area of Green Island National Park is 120,000.0 square meters.
The area of Magnetic Island National Park is 27.9 square kilometers.