Diamond’s Edge Restaurant

Waterfront Dining in Portland, Maine

Arrive via ferry, water taxi, or private boat to explore this unique island destination. Join us at Diamond's Edge Restaurant on Great Diamond Island for an unforgettable dining experience. Nestled in the serene, car-free Diamond Cove, our restaurant offers more than just breathtaking views of the cove. Savor the bounty of Maine's sea and shore with our tantalizing menu of creative and artfully prepared dishes. Enjoy a memorable dinner in our dining room, on the deck, or dine al fresco on the lawn.

Make a Reservation
DSC_0876.png
IMG_2203.JPG
25027-01-3258-HDR.jpg
25027-01-3377-HDR.jpg
IMG_2198.JPG
IMG_3410.jpeg
IMG_2191.JPG
IMG_2159.jpg
IMG_2193.jpg

Hours of Operation

Opening June 20, 2026

Thursday: 3:00 pm - 9:00pm

Friday- Sunday: 11:30 am - 9:00pm

Last Seating at 8:00 pm Daily

View 2026 Menu
Make a Reservation
Order Takeout Online

Follow us on Instagram!

Cold beer, live music, and a waterfront view. Some things just make sense when you're in Maine 🍺
Cross the water, feel the salt air hit your face, and suddenly, everything else can wait. Diamond's Edge, Great Diamond Island. Open for the summer on June 20th.
Summer’s just around the corner, and the docks are calling. Easy afternoons, fresh flavors, and a seat by the water are closer than you think. ⛵ Go ahead, make the reservation. We’re back for the season on June 20th. Link in bio.
Somewhere between the water and the first sip.📍 Find us at Diamond’s Edge Restaurant, where the view does most of the talking. Opening June 20th,save your table through the link in bio.
Understated, easy, and made for lingering. The dining room at Diamond’s Edge invites you to settle in and stay awhile. Opening June 20th, reservations now open.
They don’t get fresher than this. Oysters at Diamond’s Edge, best enjoyed after a ferry ride over.
Just a ferry ride from Portland, and Diamond’s Edge is reason enough to stay awhile. A sunny spot on the deck, a wide-open view, and the only thing missing is you, with your favorite cocktail in hand. 😉

How To Get Here:

There are two primary ways to get to Diamond Cove

There are two primary ways to get to Diamond Cove

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.

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. For the most updated schedule can be found on the Casco Bay Lines website.

Make a Reservation

"Take the ferry from Portland to enjoy the beautiful view at this restaurant in the cove at Great Diamond Island! I definitely recommend sitting on the lawn if the weather permits. The service was excellent, and we all enjoyed our meals."

- Sharilynn M., Yelp

"When I visited this summer I had the greatest steak I have ever had. Our server was incredible and the view is just splendid. I cannot wait to come back once they reopen and try more of their food."

- Luke M., Google Reviews

"…The views cannot be beaten: we ate on the back deck, overlooking the cove and boats moored in the marina. Great wine, great service. This is the spot where you can get authentic Maine seafood, as fresh as can be,prepared expertly and delivered with pride...”

- MaryEllen F., Tripadvisor

  • Guests can reach the island via ferry or water taxi service from Portland. We recommend planning transportation in advance and allowing extra time for ferry schedules and boarding. If you need assistance coordinating your visit, our team is happy to help.

    There are two primary ways to travel to Diamond Cove and Diamond's Edge Restaurant & Marina:

    • Fogg’s Water Taxi: For guests looking for a more private and direct transportation option, Fogg’s Water Taxi offers service for parties of up to six guests. Advance reservations are strongly recommended. Guests may reserve directly through their website or by calling 207-415-8493.

    • Casco Bay Lines Ferry: For a more scenic and relaxed island arrival, ferry service is available through Casco Bay Lines. The ferry terminal is located at Maine State Pier, 56 Commercial Street, Portland, Maine.

    While traveling to Great Diamond Island, guests should be sure to purchase tickets for the Diamond Cove dock. Current ferry schedules, fares, and departure information can be found on the Casco Bay Lines website.

  • No. Diamond’s Edge Restaurant & Marina is located on Great Diamond Island — a car-free island just off the coast of Portland, Maine. Guests can park in the city and enjoy a scenic ferry ride across Casco Bay.

  • Diamond’s Edge Restaurant & Marina is located on Diamond Cove on Great Diamond Island, just a short ferry ride from Portland, Maine.

  • Reservations are highly recommended, especially during the summer season, weekends, holidays, and sunset dining hours. Walk-ins may be accommodated based on availability.

  • Yes. Guests can enjoy seasonal outdoor dining in a scenic island setting, weather permitting.

  • Our menu highlights fresh, seasonal cuisine inspired by coastal Maine, featuring thoughtfully prepared seafood, locally inspired favorites, handcrafted cocktails, and chef-driven specials.

  • Yes. Families are welcome, and the restaurant offers a welcoming atmosphere for guests of all ages.

Frequently Asked Questions