Glacier National Park is in Montana. Glacier Bay National Park is in Alaska.
Alaska
There is a Tobin Bay in Isle Royale National Park, a US National Park in the state of Michigan.
Cedar Bay National Park was created in 1977.
Jervis Bay National Park was created in 1995.
Crowdy Bay National Park was created in 1972.
Ella Bay National Park was created in 1952.
Coffin Bay National Park was created in 1982.
Campbell Bay National Park was created in 1992.
Glacier Bay National Park is listed to be in Gustavus, AK.
Alaska contains both Glacier Bay National Park and the peak of Denali -- officially designated "Mount McKinley," but that designation was based entirely on politics.
The area of Cedar Bay National Park is 56.5 square meters.