Answer:

casco

Answer	Crossword Clue
CASCO	Portland's bay
CASCO	.. Bay: inlet bordering Portland, Maine
CASCO	Bay in Maine

CASCO	Maine bay
CASCO	Bay of Maine
CASCO	Bay on the Maine coast.
CASCO	Bay on coast of Maine.
CASCO	Isle-studded bay off Portland, Me.
CASCO	Maine bay.
CASCO	Bay in Maine.
CASCO	Bay off coast of Maine.

CASCO	Portland's bay.
CASCO	Bay off Portland, Me.
CASCO	Me. bay
CASCO	Maine's ... Bay
CASCO	Bay in Maine
CASCO	.... Bay ME
CASCO	Maine's .... Bay