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Diamond Cove • Portland, Maine 04109

Reservations: 207-766-5850

Maine Island Dining
at the Water's Edge

We are now closed for the season. 

Getting here is a breeze and part of the fun. Whether you take a short ferry ride from Portland's Old Port District or come by private boat, it's a pleasure to glide across the sparkling waters of Casco Bay and take in the remarkable scenery that surrounds you. When you disembark at the ferry terminal or marina, you'll find it's only a few steps to the restaurant, where a warm welcome awaits.

Casco Bay Ferry Schedule

A true gem of the Portland dining scene, Diamond's Edge Restaurant offers a casually elegant setting for waterfront dining on one of the most picturesque islands off the Maine coast. Located on Great Diamond Island overlooking Diamond Cove, this is the place to enjoy fresh, taste-tempting local seafood and New England favorites against a backdrop of breathtaking views.

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Dine & Stay Packages

There are no specials at this time. Please check back soon. Explore Dining Packages

Marina

Located at the northern end of Great Diamond Island and a short stroll from Diamond's Edge Restaurant, our full-service marina accommodates large sailboats and motorboats. Our Dockmaster would be pleased to assist you with docking upon arrival.

The Marina will open as of May 31, 2020.  For further Boat slip rental information please call (207) 775 9090
 
 

  • Monitoring VHF Channel 9
  • Approach 20-foot depth with 12-foot depth at the dock
  • Electricity and water available at the dock

Reservations required for overnight dockage
(207) 766-5694

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Seaside Events & Weddings

Close to Portland, but a world apart, Diamond's Edge offers three incomparable settings overlooking Diamond Cove that promise to take your private seaside event or wedding to the next level. From corporate outings for top level executives to large-scale weddings and everything in between, our flexible venues allow us to host groups from 20 to 200 with ease. Add delectable Maine island cuisine and professional, personalized service and realize all the ingredients for success.

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Portland by Land and by Sea

Enjoy an authentic Maine experience with this unique Portland discovery package. Split your three-night, four-day stay between two distinctive luxury properties — the Portland Harbor Hotel, located in the heart of the Old Port District, and the Inn at Diamond Cove, a serene island resort retreat. Savor the tastes of Maine with dinner at two of the area's most captivating restaurants: the Inn at Diamond Cove Dining Room and Diamond's Edge.

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Harbor Hotel Collection

The Harbor Hotel Collection is a portfolio of AAA Four Diamond caliber properties that offer upscale accommodations and extraordinary service in unique waterfront destinations handpicked for their authentic local character. Steeped in natural beauty, Harbor Hotel Collection properties appeal to travelers who seek a relaxing getaway while immersing themselves in a wealth of outdoor activities and regional culture.

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