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Welcome to the Inn At Diamond Cove

A luxury island retreat

Escape to the captivating island sanctuary of the Inn at Diamond Cove, an unparalleled retreat nestled along the pristine shores of Great Diamond Island, off the picturesque coast of Maine. Here, in this haven of tranquility and opulence, discover a respite that transcends the ordinary, offering a haven where the concept of retreat is redefined.

Immerse yourself in the storied past of Fort McKinley, an architectural gem dating back to the enchanting 1890s. Once an integral part of the nation's coastal defense system, safeguarding Portland's Harbor and the alluring Casco Bay, the Fort's former Barracks have been thoughtfully transformed into an exquisite refuge, devoted to providing an extraordinary retreat experience. As you step onto the grounds, a palpable sense of serenity washes over you, transporting you to a timeless realm far removed from the cares of the world.

The allure of this retreat lies not only in its captivating history but also in its idyllic seclusion. Great Diamond Island casts away the clamor of the outside world, embracing a magical ethos that prohibits the intrusion of cars. This absence of vehicular traffic creates an ethereal atmosphere, allowing you to truly disconnect and immerse yourself in the natural splendor that envelops you.
Leave behind the hustle and bustle of downtown Portland with a leisurely boat ride across the sparkling waters of Casco Bay, your passage a gateway to the unrivaled serenity of Great Diamond Island. As you approach the island's shores, a sense of anticipation builds, knowing that you are embarking on a retreat like no other, where rejuvenation and indulgence await.

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Vacation Amenities

Property amenities to bring your Maine vacation to life.

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Diamond's Edge Restaurant & Marina

Nestled in the heart of this charming haven, you'll stumble upon the cozy Diamond's Edge Restaurant, a rustic waterfront dining spot where artistry, heritage, and culinary craftsmanship seamlessly converge. Just a skip away from the marina, with mesmerizing ocean views of Diamond Cove, this inviting eatery exudes a down-to-earth charm, inviting you to revel in moments of pure joy. Here, the lively spirit of a bygone artistic community effortlessly blends with the echoes of Fort McKinley's storied past.

Embark on a culinary adventure that transports you back in time, savoring hearty dishes inspired by the region's bountiful seafood, beloved New England classics, and flavors that awaken your senses. Each bite tells a story, expertly crafted to elevate your dining experience. As you indulge in these mouthwatering creations, explore our extensive wine list and discover handcrafted cocktails named after the island's historic batteries, adding a touch of local charm and intrigue to your drink selection.

Relax, unwind, and let the Diamond's Edge Restaurant whisk you away to a place where comforting food, a cozy atmosphere, and scenic ocean views unite, offering a memorable dining experience that captures the true essence of this enchanting retreat.

Gatherings & Special Events

Diamond's Edge is a dynamic event venue on Great Diamond Island overlooking beautiful Casco Bay. Our high level of service and Island cuisine are sure to impress your guests. We make hosting a corporate outing, elegant wedding or birthday celebration easy to plan! Please contact us at 207-523-2050 to book your next successful event at Diamond's Edge or The Portland Harbor Hotel.

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Great Diamond Island Portland, Maine

Unwind, rejuvenate, and find solace in the embrace of the Inn at Diamond Cove. This retreat transcends mere luxury, enveloping you in an ambiance of serenity and sophistication. Let time dissolve into whispers as you surrender to the blissful tranquility that permeates every corner of this secluded haven. Great Diamond Island beckons, inviting you to redefine the notion of retreat, and discover a sanctuary where solace, indulgence, and the beauty of nature converge in perfect harmony.

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