It is on the Casco Bay.
Portland is in Casco Bay on the Gulf of Maine on the Atlantic Ocean in New England.
Casco Bay is a bay located east of the state of Maine. It is located near the southern portion of Maine, alongside the city of Portland.
Biddeford is located near the Southern tip of Maine. It's on the Eastern side and its between Saco Bay on the Gulf of Maine. It is 15 miles from Portland, ME and 85 miles North of Boston, Massachusetts.
The driving distance from Portland, ME, USA to Boothbay, ME, USA is 55.72mi / 89.68km
The Pacific Ocean, San Francisco Bay, and the Sacramento River are all bodies of water that are near Oakland, California.
The Potomac River, the Chesapeake Bay and the Atlantic Ocean.
Bay of Bengal
There aren't any 'seas' near Wisconsin, but there are the Great Lakes, but it is sort of near Hudson Bay.
Gulf of Maine, Bay of Fundy and offshore Canadian Fishing Banks are the rich fishing ground in the Atlantic Ocean.
The Bay of Fundy
The USS Maine was in the Havana Harbor and not at Guantanamo Bay.
Washington DC and Baltimore are both near the Chesapeake Bay which is part of the Atlantic Ocean.