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43°41'12" N
70°5'26" W
NOAA Chart(s): 
13288, 13290
Approximate Acreage: 
221 acres
Camping Capacity: 
Island can accommodate multiple groups.
Fires allowed only in the designated fire rings. Several privies available. Deep water anchorage.

This big, brawny island guards the sea approaches to Casco Bay, and it has the forts to prove it. The remnants of an old military installation are scattered throughout the island, and the towers at the southern end offer an excellent view of Casco Bay.  A network of hiking trails lead visitors to many of Jewell's unique features.

Because of its size and numerous spacious campsites, Jewell is a good choice for larger groups. However, it is a very popular destination, especially on summer weekends; a mid-week or off-season visit is a better bet if you seek solitude. The cove at Jewell's north end provides good anchorage for cruisers, but is often crowded with dozens of boats on summer nights. There are five privies on the island, but please plan to use your own toilet paper.

From Memorial Day through Labor Day, a Casco Bay Caretaker resides on Jewell and serves as an educational resource, looking after the island and encouraging thoughtful use. In the fall, the island is often used by hunters. Please plan accordingly.
A book titled "History of Jewell Island Maine" is available at the Cliff Island Historical Society if you are interested in more history and photos about the island.