King Suite with Kitchenette & Balcony on Great Diamond Island

Located on Maine's Great Diamond Island, the Inn at Diamond Cove is a tranquil destination that provides guests with a peaceful and relaxing stay. With a brief and scenic boat ride from downtown Portland, you are transported from the hustle and bustle of Portland's Old Port district through the sparkling waters of Casco Bay to peaceful Great Diamond Island.

Offering a Maine island getaway rich with history and natural beauty, The Inn at Diamond Cove is on Great Diamond Island in Casco Bay. Just a 30- minute ferry ride from Portland's Old Port district, the Inn is the centerpiece of Diamond Cove, a small private community of beautiful residences.

Built between 1891 and 1907, Fort McKinley was once used to defend Portland Harbor during the Spanish-American War. Formerly army barracks, the Inn, which opened in 2015, has been restored with meticulous attention to historic detail preserving its original character.

The Inn at Diamond Cove offers elegantly appointed interiors, luxury condominiums with balconies, wide wooden porches, a swimming pool, a cabana bar, and casual fine dining at Diamonds Edge, its waterfront restaurant overlooking Casco Bay.

Guests enjoy walking trails, secluded beaches, tennis, yoga, and simply enjoying the peace and tranquility of Maine island living.

Luxurious suites include a spacious kitchen with a range, an island table with seating, and a dishwasher. These one bedroom suites, offer both sleeping and living space on the same level.

All Luxury Condos feature custom-made guest room furnishings, hardwood floors, a fireplace, and our custom-made signature pillow-topped mattresses. Luxury bathrooms offer a spacious granite-top vanity, make-up mirror, and glass-enclosed showers.

Diamond's Edge Restaurant is situated just steps from the marina, overlooking Diamond Cove. Formerly an artistic retreat community and later the historic site of Fort McKinley, Diamond's Edge remains rich in charm and history. A favorite among locals and visitors alike, Diamond's Edge Restaurant is the perfect spot for a relaxing lunch or dinner featuring local seafood, New England favorites, and amazing views.

GETTING HERE

There are two primary ways to get to Great Diamond Island for your vacation getaway to Diamond Cove.

1. Fogg's Water Taxi - For a more private and direct transport of your party of up to 6 guests.

Water Taxis are available in Portland and reservations are strongly recommended. Please contact Fogg's Water Taxi directly to reserve your transportation. Fogg's Water Taxi or call 207-415-8493.

2. Casco Bay Ferry - For a more scenic and relaxed experience.

Ferry service is provided by Casco Bay Lines. The ferry terminal is located at the Maine State Pier, 56 Commercial Street, Portland, ME. While we are located on Great Diamond Island, please ensure you are purchasing a ticket to the Diamond Cove dock. The most updated schedule can be found on the Casco Bay Lines website.

Valet-Parking
We now offer valet parking services at the Standard Baking Co lot, located at 75 Commercial St, Portland, ME 04101 for $50 per night.

What to Expect: Upon arrival, you'll be asked if you're an Inn at Diamond Cove guest, and ask what the name is on your reservation.

The valet will issue an Inn at Diamond Cove valet ticket, and then pricing and car retrieval will be explained. *Keep this ticket for departure*

The Valet Team will then assist you with your luggage while escorting you to the ferry or water taxi.

Board the ferry or water taxi, and enjoy your vacation!

Need to Know: The Standard Baking Co Lot is located directly across the street from the Casco Bay Ferry Terminal, right next to the Hilton Garden Inn.

Your valet parking will be charged directly to your room.

You can scan the QR Code or text the valet services prior to leaving the island to request your car.

Self-Parking
Diamond Cove is a car-free community, which is part of what makes it so special. Parking in Portland is the responsibility of the guest. Self-Parking is available at the Municipal Parking Garage located adjacent to the Casco Bay Lines Terminal. A more detailed list of parking options is available on Casco Bay Lines website Getting Here page.

Transportation from Diamond Cove Dock to the Inn at Diamond Cove: Upon your arrival at Diamond Cove, please proceed to the end of the dock to find your transportation up to the Inn at Diamond Cove. We will have attended Golf Carts and/or a Sprinter Van awaiting your arrival.

License Number : STHR-007651-2026