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Book Online or call HomeAway Booking Assistance 888-640-7927
Book Online or call HomeAway Booking Assistance 888-640-7927

Casco Bay Island-Great Diamond Island

Bedrooms 3
Space 2,000 sq. ft.
Property type house
Minimum Stay 1 - 7 nights


About the property

3 BR--Sleeps 6 Adults Comfortably and 2-3 small kids

Brad 203-258-1301 cell

We only accept payment via Paypal or Personnel Check for payment.

Experience life on an island off the coast of Maine . ..beaches and bell buoys . . swimming and tennis . this island does not get overcrowded. A unique experience for either a family w kids or couple. Great Diamond Island, in Casco Bay, is a two mile ferry ride from Portland. The Ferry service runs frequently enough to spend the day on the island, and then to be able to leave for a night out of dinner and activities within downtown Portland and still return that night to the island. Explore miles of walking trails through the island’s silent old growth forest and along the water’s edge - you may encounter our elusive moose, a family of wandering deer, herons and osprey, perhaps a few seals. Renter's must bring own bikes..Owner does not provide bikes.

We can be flexible in regards to dates. Check in is at 3pm or earlier depending on if the cottage was open the night before and check out is noon on day of departure. Once again this can be flexible if we do not have people coming in on that day. Depending on the time of the year we can also have check in and check out times on different days if agreed upon.

The house is not built to handle large groups. The house is perfectly set up for small families or couples or families 6 adults plus 2-3 kids as maximum number sleeping in the house comfortably.

This house is not suited for large groups of people. Or group gathering's. Weekly and Monthly rates are available-please contact owner.

Further it will be difficult for the owner to respond within 24 hours if he is traveling for business or out of town. We try to get back in touch with renters within 3 days at most.

In order to secure the dates I will need the following, an email confirming your dates and intention to rent, a signed agreement within 5 days of the confirmation email date sent to the following below address and 50% of the total amount paid as a deposit fee. The additional 50% of your rental fee must be paid 30 days prior to check in.

Brad Forsythe

PO Box 4117

Portland, Maine 04101

Contract Return Due Date Information: Contract Return Due Date: is within 5 days of receiving agreement. Or Reservation can be canceled and owner reserves the right to rent to another renter. This contract and cleaning addendum must both be signed and paragraphs initiated where marked and returned with your deposit.

Regards, Brad 203-258-1301 cell

More Details

Brad Forsythe
Member since: 2006
Speaks: english
Response time:
Within a day
Response rate:
Calendar last updated:
March 20, 2018

Why Brad Forsythe chose Great Diamond Island

This property is suited for families that have children or couples that are looking for a slower paced vacation. We do not rent to groups that are planning to use the house for parties on the island, and this is not the place to rent if you are looking to go out all night long. This is a family island, and everything shuts down by 11PM.

What makes this house unique

Location to Beach, Portland, and island attraction's. Old John Calvin home that has charm.


Great Diamond Island House Accommodation and Amenities

Property Type:
  • house
  • Guests provide their own meals
Floor Area:
  • 2000 sq. ft.
House Rules:
  • Max. occupancy: 8
  • children welcome
Location Type:
  • Beach View ...
  • Near The Ocean ...
  • Ocean View ...
  • Oceanfront ...
  • Water View ...
  • Adventure
  • Away From It All
  • Broadband Access ...
  • Clothes Dryer
  • Hair Dryer
  • Heating
  • Internet ...
  • Iron & Board
  • Linens Provided
  • Living Room
  • Towels Provided
  • Washing Machine
  • Wireless Internet
  • Wood Stove
  • Blender
  • Coffee Maker
  • Cooking Utensils
  • Dishes & Utensils
  • Dishwasher
  • Freezer
  • Kitchen
  • Microwave
  • Oven
  • Pantry Items
  • Refrigerator
  • Stove
  • Toaster
  • Dining
  • Dining Area
  • seating for 6 people
  • 2 Bathrooms
  • Bathroom 1 - toilet , tub , Soaking Tub
    Bathroom 2 - toilet , shower
  • The downstairs bathroom has a toilet and a shower. The upstairs bathroom has a toilet and a soaking tub..
  • 3 Bedrooms, Sleeps 8
  • Bedroom 1 - 1 queen
    Bedroom 2 - 2 double
    Bedroom 3 - 1 twin/ single
  • If your looking to vacation in a true Maine cottage then this is your house. The house faces southwest, and their is a trail to the right of the house that will lead you directly to the ocean within about 500 yards. This is a classic Maine cottage.
  • Books
  • DVD Player
  • Games
  • Television ...
  • Toys
  • Video Library
  • Balcony
  • Beach Chairs
  • Beach Towels
  • Boat with Paddles
  • Deck / Patio
  • Kayak / Canoe
  • Lawn / Garden
  • Outdoor Grill
  • Tennis
  • Water Sports Gear
  • Wood Deck
  • 6 garden chairs
  • 4 beach chairs
  • Long-term Renters Welcome
  • autumn foliage
  • bay/sound
  • churches
  • cinemas
  • festivals
  • library
  • marina
  • museums
  • playground
  • restaurants
Leisure Activities:
  • antiquing
  • beachcombing
  • bird watching
  • outlet shopping
  • scenic drives
  • sight seeing
  • walking
Local Services & Businesses:
  • ATM/bank
  • fitness center
  • groceries
  • hospital
Sports & Adventure Activities:
  • cycling
  • fishing
  • fly fishing
  • hiking
  • pier fishing
  • sailing
  • scuba diving or snorkeling
  • snorkeling
  • sound/bay fishing
  • swimming
  • tennis
This is a classic Maine beach house that has a ton of charm. It is located on Great Diamond Island which is about a 20 min ferry ride for downtown Portland. This give you the option of taking the ferry into downtown Portland shopping, eating and then returning all in the same day. So able to have a vacation away from the city, but close enough to quickly enjoy what Portland has to offer.


Wonderful! 4.9/5 -
(7 traveler reviews)

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Casco Bay Island-Great Diamond Island
average rating of 4.857143 based on 7 reviews

Our yearly get-away!

  • 5 of 5

This was our 3rd year staying here. The house is fantastic with great views of Casco Bay. Favorite activities include morning coffee and meals on the porch, kayaking around the island and walking the beach with our son and dogs.

Although there are golf carts allowed on the island, there are no cars so it's like stepping back in time. We cannot wait to visit again next year!

  • Submitted: Oct 28, 2017
  • Stayed: August 2017
  • Source: HomeAway
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0 0
Quincy, MA


  • 5 of 5

We had a wonderful time on Great Diamond Island. Once we walked into the house we felt at home. Everything was there that we needed. Water was to cold for swimming the beach is a 1 minute walk from the house. We can't wait to go back next year and use the kayaks.

People were extremely nice on the island. I went running several times which was a great way to explore see both sides of the island.

The house is a 5-10 minute walk from the ferry. Going to and from Portland was easy you just have to plan your day around the ferry schedule. The owner was available to answer questions.

Basically we can't wait to go back next September.

  • Submitted: Nov 18, 2016
  • Stayed: September 2016
  • Source: VRBO, from HomeAway
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2 0


  • 5 of 5

We loved our time at this house. Perfect, comfortable porch, super quick walk down to the beach, friendly and quiet island. Taking the ferry into Portland is easy and so enjoyable. Amazingly comfortable master bed- we slept so well!! We would go back every summer if we could.

  • Submitted: Apr 13, 2016
  • Stayed: August 2015
  • Source: HomeAway
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1 0

Relaxed Island Living

  • 5 of 5

Charming island, with lots to do. Great 4 kids! Although the City of Portland is just a 15-minute ferry ride away, you'll have the feeling of being well away from civilization. With very few cars, and lots to explore, it's a safe place to let your kids roam and be independent. Bring their bikes!! Simply stock up for a week at the grocery store, drop it at the freight area for the ferry, and you are set for the week, Kayaking, hiking, island hopping, or sit on the deck and do nothing but gaze at the water. We take the ferry into the city on cloudy days. Wonderful restaurant on opposite side of island. Very considerate and friendly neighbors. Sunset view over Casco Bay, including rustic dining table, comfy couch and Adirondack chairs all on the deck. You'll want to buy a house on the island. This house has all the amenities for comfortable cottage living; romantic for 2, spacious for 4, comfortable for 6. Just go.

  • Submitted: Oct 1, 2014
  • Stayed: July 2014
  • Source: HomeAway
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7 1
South Portland, ME

Fabulous Time on Great Diamond Island

  • 5 of 5

We had a lovely lovely stay at Brad’s cottage. There were three of us initially, myself and two friends enjoying ourselves on a mini-girls-getaway. My husband, our dog and four other friends joined us on our last day to celebrate my birthday. Everyone agreed – the house was wonderful with a big veranda in which to occasionally escape the sun and enjoy the view of the water. We relaxed and sat idle, chatting, reading or snoozing. The happiest member of our merry party was certainly our dog, Abby. She seemed positively morose upon leaving the island.

We only brought one bike between the three of us - but were able to manage taking turns to spin around the island and took many walks. We loved the easy accessibility of the beach and met some wonderful people while walking it. We also explored Diamond Cove and felt sorry for their sterile condos and sweeping manses with their overly manicured landscaping. But we thoroughly enjoyed our pizza and conversation with the general store folks.

The house itself was perfect – when the nights turned chilly, we were happy in the living room snuggled up with blankets and comfy sofas. Upstairs we found the bedrooms perfectly outfitted for our needs. Brad was the perfect host, answering a barrage of questions both prior to the trip and while we were on the island. In short, we were charmed by this wonderful home and are already all talking about a return trip, both to Great Diamond and of course Brad’s lovely cottage.

  • Submitted: Jun 22, 2011
  • Stayed: June 2011
  • Source: HomeAway
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7 0
Hudson Valley, New York

island life is so relaxing

  • 4 of 5

Had a nice relaxing time here in July with 4 others and our dog. The island is the big attraction here with its dirt roads, hand carts, $6 lobsters from Tammy, and keeping time with the pace of the ferry from Portland. It is very quiet, and we spent a lot of time out on the porch enjoying the beautiful weather. This is a great place to relax and do nothing. We enjoyed spending the evening drinking and playing board games, reading, laughing, etc. OH and it has wi-fi and good phone signals which were great for keeping in touch with the world.

The house is not fancy, and you certainly feel like you are living in someone else's home, though for us this was a nice homey feeling. It has everything you might need. It is full of country antiques and lots of odds and ends that you might need but wouldnt have packed. Fly swatter? got two near the washing machine! Short length of rope to practice tying a monkey's fist knot while having a beer? Sure! OH and kayaks. There are two and one canoe, though we only used the kayaks. The beach is right down the hill and it is easy to launch at high tide (you'll be shocked at the change of tides).

Stuff we did: Walks around the island, walk to Little Diamond Island and feel like cavemen crossing from Siberia to Alaska at low tide. Eat lobster. Grill your dinners. Go into the Old Port to shop (there is a Whole Foods there, but it requires some coordination as it is a longer walk). If you have a car, you may be out on side trips (we went to Wiscassett and did not have Reds lobster rolls), and mind the ferry schedule! Last ferry back at 930pm in summer.

ALSO, if you have a dog, your dog will LOVE it here. So much to smell and a nice big porch to hang out on.

Did not play tennis, though I kinda wish I had. Did go swimming. Did paddle to Diamond Cove which is really pretty.

Brad was easy to deal with. It was very simple. And we all came home very relaxed.

  • Submitted: Aug 7, 2010
  • Stayed: July 2010
  • Source: HomeAway
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Nearest Airport
8 Miles
Portland Maine
Nearest Train
2 Miles
Train Station is in Portland Area
Nearest Beach
100 feet away

Great Diamond Island is a 20-minute ride from Portland on a Casco Bay Ferry Lines Lines and was once a military installation and is now known for its summer homes, and beaches.

Diamond's Edge Restaurant you can dine at the water's edge, with beautiful views of Diamond Cove. The island has a general store (207-766-3087) which sells pizza, sandwiches and ice cream, and also has public restrooms.

The Casco Bay Lines departure point is located at the corner of Commercial Street and Franklin Arterial, Exit 7 off I-295 in downtown Portland.


Rates & Availability

Taxes and fees are additional

Additional information about rental rates

Pet Fee $150
Cleaning Fee $250
Tax Rate 9.0%

Please see above seasonal rates..
Cleaning fee is $200 per stay no matter the length of stay-

Check In 3PM Check out Noon

Owner's Cancellation Policy

100% refund if canceled at least 30 days before arrival date.

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