£146 – Maine: Casco Bay Island Stay in Summer, 50% Off

Inn at Diamond Cove
TOP 20 - Sells out quickly!
Travelzoo Staff

Why We Love This Deal

Located on an island off the coast of Portland, Maine, the Inn at Diamond Cove is a "true gem"  according to Travelzoo members. Save 50% on summer getaways including Memorial Day and Labor Day.

"A relaxing island getaway in Casco Bay, just a mile off the coast of Portland" -- Travel + Leisure

What's Included

  • Stay in a King Room
  • £146 per night ... daily May 24 - June 30 and Sept. 3-30
  • £232 per night ... Sundays-Thursdays, July-August
  • £22 food-and-beverage credit per stay
  • Complimentary late checkout (1 p.m.)
  • Double Queen Balcony rooms and King Suites are also discounted

What You Need to Know

  • Price based on up to two guests sharing a room
  • Children ages 17 and under stay free of charge when using existing bedding
  • These rates are nonrefundable and noncancellable; pay £13 more for a 14-day flexible plan
  • No matter where you book, this hotel charges a resort/facility fee of £16 plus tax per night; the fee covers transportation around the island, Wi-Fi and access to the game room, fitness center, indoor basketball court, duck-pin bowling alley, tennis courts and pool.
  • Because the resort is on a car-free island, valet parking in Portland is £32 per night billed to your reservation. The ferry terminal to get to the island is across the street from the parking garage.
  • Not pet-friendly; service animals only
  • For more details, see "Policies" and "Amenities" sections

"Quiet and friendly."
31 Aug, 2018 - Gardner, MA, USA
See All 31 Member Ratings

Why We Love This Hotel

  • Seasonal inn open May-October on car-free island
  • Features private beaches, outdoor pool, fire pits and rec. center with yoga classes
  • Waterfront seafood restaurant is open for lunch, dinner, and weekend brunch


First constructed as barracks for Fort McKinley in the 1890s, the Inn at Diamond Cove is now a peaceful destination where guests can unwind on Maine’s Great Diamond Island or explore its surrounding waters. Open Memorial Day through Columbus Day, the inn rests on a car-free island, and visitors are transported by golf carts and bicycles.

Guest rooms feature free Wi-Fi, hardwood floors, granite-top bathroom vanities, plush bathrobes, microwaves, coffeemakers, and pillowtop mattresses; guests have the choice of one king or two queen beds, and most rooms have private balconies. 

Diamond’s Edge, the property’s waterfront restaurant, serves local seafood and New England favorites for breakfast, lunch and dinner; room service is also available. The inn’s grounds include private beaches and wooded walking paths as well as a recreational hall with an indoor basketball court, an exercise studio with guided yoga classes and an antique duckpin bowling lane. All guests can enjoy the lobby lounge’s double fireplace as well as the outdoor fire pit. The heated outdoor pool includes a whirlpool tub and cabana bar serving handcrafted cocktails and snacks.

Guests can reach the property by taking a water taxi, the Casco Bay Lines Ferry service or by private boat, which can be moored in the on-site marina. 



  • Infant cots / cribs
  • Bar
  • Newspaper / magazines
  • Fitness classes
  • Games room
  • Gym / fitness center
  • Hot Tub / Jacuzzi
  • Outdoor pool
  • Pool bar
  • Restaurant
  • Tennis courts
  • No pets allowed
  • 100% smoke-free


  • 24-hour front desk
  • Bike rental
  • Complimentary chauffeur service
  • Concierge service
  • Laundry / dry cleaning
  • Room service (limited hours)
  • Safe in reception

Room amenities

  • Air-conditioning
  • Central heating
  • Coffee / tea-making facilities
  • Fridge
  • Iron and ironing board
  • Flatscreen TV


  • Complimentary Wi-Fi in guest rooms
  • Complimentary Wi-Fi in public areas
  • Complimentary Wi-Fi throughout


  • Bathrobes and slippers
  • Hair-dryer
  • Separate shower
  • Luxury toiletries
  • Slippers


  • Valet service (fees apply)


  • Accessible bathroom in some rooms
  • Accessible path of travel
  • Accessible restaurant
  • ADA compliant rooms
  • Roll-in shower
  • Wheelchair accessible


Check-in: Standard Time is 4pm.
Minimum age required to check in: 18.

Checkout: Standard Time is 11am.

Note: Includes guaranteed complimentary late checkout at 1pm when booking the "Travelzoo Deal" rate.

Children and additional guests: Children 17 or under stay free of charge when using existing bedding.
Extra beds are not available.
Cot available upon request, free of charge, for children 2 or under.

Pets: Only service animals allowed.

Fees: A resort/facility fee of US$20 per night will be added to the total price of your stay upon check out.

The resort fee includes:

  • On Island transportation
  • Wi-fi
  • Access to the pool, gameroom, fitness center
  • Complimentary use of the tennis courts and rackets, and basketball court

Valet Parking fee: $40 USD plus tax, per day.
Valet Parking is available in Portland and charges will be added to your bill at the hotel. The island is car-free.

Cancellation: Cancellation policy & booking conditions vary by 'rate plan'. These will be displayed on the payment page after you have searched for your dates and selected a rate.

Additional details: Please click on the link below to see important information about getting to The Inn.

50% Off

£146 / night


When You Can Go

Options through Sept. 30

Getting There

The inn is located on Maine’s Great Diamond Island in Casco Bay and is a 30-minute ferry ride from Portland, with a free shuttle pick-up from the ferry provided by the hotel. Ferry information can be found online at CascoBayLines.com. Tickets are purchased at the ticketing window inside the terminal for $11 per person roundtrip. Ask for tickets to Diamond Cove and ask what gate to board at. Please be sure to depart the ferry at Diamond Cove, not Great Diamond Island. Valet parking is $40 per night and billed through your reservation at the property. When you arrive, inform the attendant that you will be using the Island Valet service and will be staying at the Inn at Diamond Cove, they will accept your vehicle and provide you with a claim ticket. Once you know what time your ferry or boat will be departing Portland, please call the inn at (207) 805-9836 to arrange a pickup at the Diamond Cove pier when you pull in. Please visit the hotel's website for additional arrival information

Have a Question? Contact Travelzoo.

Customer Service available Mon-Fri, 8am-6pm

Rates may vary by date, are subject to availability and are not guaranteed until your purchase is complete.

Please note: Some amenities and services may not be available in all rooms or may incur an additional charge. All prices stated have been verified at the time of publication and may vary at the discretion of the hotel.

Enjoyed This
(31 Member Ratings)
Ratings & reviews reflect verified member feedback for Inn At Diamond Cove over the past 15 months.
4.6 Ambiance
4.7 Location
4.7 Rooms
4.3 Quality of Service
4.0 Value for the Money
Show Reviews
Enjoyed Most
The very gracious young woman who discussed the situation with me.
Other Comments
Our booking was scheduled for Sept. 23, 2018 . Ten days before that date I investigated the ferry and on island dining reservations. The ferry enters seasonal mode as of Sept 22 with departures only early in the morning and at 545 pm . Water taxis are a very expensive option had they only answered their phones. The hotel dining restaurant had long since closed for the season. A long planned vacation was blown out of the water because this was not mentioned in the Travelzoo propaganda as it most certainly should have. I had a long and very productive conversation with the hotel admin as this process evolved and they were very surprised Travelzoo did not represent them accuratly. They were the ones who offered full refund which I gratefully accepted. it was too late to make new plans and i am deeply disappointed with Travelzoo and the year they robbed us of our Maine destination. you realize i can barely comment on these catagories because we never were able to go.
Karen 29 Sep, 2018 North Easton, MA, USA
Enjoyed Most
Quiet and friendly.
Other Comments
Very nice inn. Food was a little pricey.
Gary 31 Aug, 2018 Gardner, MA, USA
Enjoyed Most
The location and the history behind the hotel
Michael 13 Aug, 2018 Peabody, MA, USA
Enjoyed Most
Location, beautiful rooms, extremely professional, friendly, & helpful staff
Other Comments
Would have loved a spa that includes option of massage!!! Please add!!! Also need more restaurants. Diamonds Edge not so great
Jacqueline 12 Aug, 2018 Lunenburg, MA, USA
Enjoyed Most
The gulf cart guys were very professional and fun. The inn was very beautiful. They did upgrade our room because we had to wait so long, but it was the furthest away from our friends we could get and was in the basement.
Other Comments
Arrived 4 hours early which they knew about and did not even work to get our rooms clean and ready in a timely matter. Did not accommodate us regarding us being close to our friends room. TV didn't work and the sheets had pills. Didn't like sleeping in a basement. Was not able to use the pool in the morning because of scheduled cleaning (2 hours). Food was very expensive and not at all worth the money. A lot of children around making a lot of noise and bothered us in the hot tub.
Jill 31 Jul, 2018 Buxton, ME, USA
Other Comments
We thoroughly enjoyed our stay. Dinner at Diamond Edge was superb. Breakfast at Inn was delicious. Accommodations lovely. Our only complaint would be "short staffed" We are finding that all over this summer, that there is just not enough help out there. Other than that it was a wonderful trip.
Cheryl 31 Jul, 2018 Saugus, MA, USA
Enjoyed Most
Shuttle around in golf cart but prefer to drive ourself.
Other Comments
We asked to be near our friends and ended on the opposite side of hotel. Good way to expensive for what you got. I ordered an Italian grinder and bread was steal. Kids riding bikes around dining area not good. Place was beautiful and well kept. Would be nice not to walk back to boat.
Mary Jane 31 Jul, 2018 Chepachet, RI, USA
Enjoyed Most
Bed and bedding
Other Comments
Hospitality Infelt like a VIP
Patricia 27 Jul, 2018 South Portland, ME, USA
Enjoyed Most
Location and rooms
Other Comments
Wait staff in the hotel restaurant was not particularly attentive.
Dan 19 Jul, 2018 Framingham, MA, USA
Enjoyed Most
The wait staff were very friendly. We had Ivan as our waiter who was excellent and very attentive to our needs. Jane who drove the golf cart was also very nice and friendly.
Other Comments
We didn’t think the receptionist at the desk was very attentive. She just gave us our room key but didn’t explain anything about the Inn.
Dianne 14 Jul, 2018 Avon, MA, USA

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£146 – Maine: Casco Bay Island Stay in Summer, 50% Off

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