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Exterior & Views 1, Inn at Diamond Cove, Cumberland
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Hotel

Inn at Diamond Cove

Cumberland, Maine

The Fun Awaits

Perfect for nature lovers
Perfect for nature loversOnly 4.1 km to Mackworth Island
Dining service available
Dining service availableNo need to go out for meals! This accommodation provides a restaurant.
Suitable for your business trip
Suitable for your business tripStay productive with business facilities.

Reviews

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4.3/5
GoodFrom 75 reviews
5.0/58 Oct 2025
Linda • Couple Trip
Beautiful room, comfortable bed unique property!
5.0/522 Sep 2025
robert • Family Trip
Property was well kept, clean, quiet and comfortable. The staff was super friendly and nice. The rooms were spacious and clean and the surroundings were beautiful. Great place! Would highly recommend it!
5.0/528 Aug 2025
Alan
Great rooms and staff and local restaurants.
5.0/515 Aug 2025
Sherri A • Family Trip
Diamond Cove is a peaceful and beautiful property. I highly recommend.
5.0/520 Jul 2025
Katrina • Trip with Friends
We had an amazing stay! What a gem of an experience - all of the staff was wonderful - Antonio at the lobby cafe was so kind and friendly and Kayla at concierge always went above and beyond!!
5.0/515 Jul 2025
Pascha • Family Trip
Such an amazing property, felt like stepping into a Hallmark movie, the rooms were spacios and decorated beautifully, the staff was amzing. I wish I could have stayed there for at least a week.
5.0/55 Jul 2025
Madeleine • Family Trip
We love it here!
5.0/529 Jun 2025
Kenneth
Great Inn
5.0/524 Jun 2025
Verified traveler • Couple Trip
Wonderful! Peaceful, clean, beautiful. Great staff.
5.0/55 Jun 2025
Anthony • Family Trip
Great staff service. Very high quality private stay. Amazing room. Also a really lovely historic tour too.
5.0/522 Oct 2024
Dayna
Lication
5.0/518 Oct 2024
Amy • Family Trip
Great stay at Diamond Inn. Highly recommend!
5.0/57 Oct 2024
Ronald • Family Trip
Unique experience We loved our visit and want to go back.
5.0/57 Oct 2024
Matthew • Couple Trip
Wonderful staff, beautiful island very comfortable hotel. Would definitely recommend it
5.0/56 Oct 2024
Gail • Couple Trip
This resort is a “Diamond “ waiting to be explored !! Wonderful and beautiful resort . I loved that you can walk to explore the surroundings and see nature in its radiance in the fall
5.0/55 Oct 2024
Kathleen • Trip with Friends
Pretty and tranquil
5.0/51 Oct 2024
Kristian • Family Trip
This whole island was amazing, the staff was very easy going and friendly, didn’t even find a single hair in the room it came with pots and pans and an amazing view
5.0/526 Sep 2024
JEFFREY
Beautiful conversion of an old military facility to a hotel. Great pool area. Spacious, clean, confortable room. Nature surrounds with walking trails. Food OK, but could be improved to match the remainder of the experience. Fun to ride ferry to the island.
5.0/510 Sep 2024
Mike • Couple Trip
Great stay. Very relaxing
5.0/513 Aug 2024
derek • Couple Trip
Beautiful stay. Tranquil and well kept. Hidden gem. FYI: Monday and Tuesday the two other Restaurants on the island are closed but the hotel lobby bar has everything you need for breakfast, lunch, and dinner.

Location

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22 Mckinley Court, Great Diamond Island, Portland, Maine, US
All distances are measured in straight lines. The actual travel distance may be different.

Accommodation Rules

Announcement

Please note, Inn at Diamond Cove is only accessible by boat.Guests are required to show a photo identification and credit card upon check-in. Please note that all Special Requests are subject to availability and additional charges may apply.Please inform in advance of your expected arrival time. You can use the Special Requests box when booking, or contact the property directly with the contact details provided in your confirmation.
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Check-in Procedure
Check-in4:00 PM-10:00 PM
Check-out11:00 AM

  • Extra-person charges may apply and vary depending on property policy
  • Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
  • Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
  • This property accepts credit cards; cash is not accepted
  • Cashless transactions are available
  • Safety features at this property include a fire extinguisher
  • This property has outdoor spaces, such as balconies, patios, terraces which may not be suitable for children; if you have concerns, we recommend contacting the property prior to your arrival to confirm they can accommodate you in a suitable room

There is no front desk at this property. This property doesn't offer after-hours check-in. The host will greet guests on arrival. Information provided by the property may be translated using automated translation tools.

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Want to check in early? Fill out the Special Requests form on the booking page.

More Policies
  • The property has connecting/adjoining rooms, which are subject to availability and can be requested by contacting the property using the number on the booking confirmation.
  • Cashless payment methods are available for all transactions.
  • This property welcomes guests of all sexual orientations and gender identities (LGBTQ+ friendly).

About Inn at Diamond Cove

Inn at Diamond Cove Location
With a stay at Inn at Diamond Cove in Portland, you'll be 5.7 mi (9.2 km) from State Theatre and 6 mi (9.6 km) from Wadsworth-Longfellow House. This hotel is 6.2 mi (10.1 km) from Portland Museum of Art and 10.3 mi (16.5 km) from Portland Head Light.

Inn at Diamond Cove Facility and Service
Don't miss out on the many recreational opportunities, including an outdoor pool, an outdoor tennis court, and a fitness center. This hotel also features a fireplace in the lobby and bike parking.

Inn at Diamond Cove Rooms
Make yourself at home in one of the 44 air-conditioned rooms featuring microwaves and flat-screen televisions. Complimentary wireless internet access keeps you connected, and cable programming is available for your entertainment. Bathrooms have showers and complimentary toiletries. Conveniences include phones, as well as coffee/tea makers and irons/ironing boards.

Restaurant and Cafe
Grab a bite to eat at Diamond's Edge, one of the hotel's many dining establishments, which include 2 restaurants and a coffee shop/cafe. Relax with a refreshing drink at one of the 3 bars/lounges. Full breakfasts are available daily from 7:00 AM to 11:00 AM for a fee.

Room Type and Price

Sun, 13 Sep 2026 - Mon, 14 Sep 2026 (1 night)
1 Room, 1 Adult, 0 Children