References
- Casco Bay (Map). 1:40,000. NOAA. 2011. Chart 13290.
43°44′N70°04′W / 43.73°N 70.07°W
 | This Maine state location article is a stub. You can help Wikipedia by adding missing information. |
Broad Sound is a passage north from Casco Bay through the islands northwest of Portland, Maine. It lies between Chebeague Island and Harpswell Neck.
43°44′N70°04′W / 43.73°N 70.07°W
| | This Maine state location article is a stub. You can help Wikipedia by adding missing information. |