Inn At Diamond Cove Portland Exterior photoInn At Diamond Cove Portland Exterior photoInn At Diamond Cove Portland Exterior photo
Book on our site
Up to 10% cheaper
than Booking.com
Check rooms and rates
From276US$ /night
Check-in
20Apr2026Select date
Check-out
21Apr2026Select date
Rooms and Guests2 Guests, 1 Room
Key details

About the Hotel

18 Mckinley Ct, Portland, Maine, United States, 04109
-
Near the waterfront
Perfect
9.1
8.5
/10
4.2
4.4
/5

Accommodations

The Inn at Diamond Cove provides various guest rooms, including basic suites and multilevel lofts. Each room is inspired by coastal surroundings, with select options featuring semi-private decks and full kitchens. For larger groups, rooms can be booked individually or together.

Dining

Diamond's Edge Restaurant offers lunch and dinner featuring local seafood and fine American cuisine, both indoors and waterfront. Guests can enjoy a luxurious brunch experience and casual meals at the poolside cabana bar. The menu celebrates hearty dishes inspired by New England classics paired with an extensive wine list.

Location

Great Diamond Island is accessible via ferry or private boat, creating a car-free environment for guests. The inn is located near historic Fort McKinley, enhancing visitor experiences with scenic walking trails and secluded beaches. This island offers an exceptional backdrop emphasizing Maine's natural beauty.

Activities

Guests can partake in a range of outdoor activities, including complimentary bicycle rentals for island exploration. Kayak and paddleboard rentals offer additional adventure opportunities through the serene waters surrounding the inn. Tennis, yoga, and access to various scenic areas allow guests to unwind in lush outdoor settings.

Event Spaces

The Inn at Diamond Cove offers dynamic event venues, featuring 5,500 square feet of indoor and outdoor spaces for meetings and celebrations. The McKinley Grove event site provides picturesque settings with a gazebo and an expansive lawn for outdoor gatherings. Catering options range from breakfast buffets to Maine lobster bakes.

Highlights

Location: Great Diamond Island in Casco Bay

Dining: Diamond's Edge Restaurant with waterfront views

Activities: Complimentary bicycle rentals, kayak, and paddleboard rentals

Event Spaces: 5,500 square feet for meetings and gatherings

Must-do experiences

  • Savor fresh lobster rolls at The Lobster Shack on Long Island.
  • Visit Fort Gorges for stunning views and a bit of history.
  • Explore the unique art at the Portland Museum of Art downtown.
  • Take a stroll through the bustling Portland Farmers' Market on weekends.
  • Enjoy a sunset cruise in Casco Bay for breathtaking scenery.
View all

Select your room type

Inn At Diamond Cove offers a variety of rooms including double rooms, family rooms, and suites with breakfast, free cancelations, and special deals
Double Queen Suite Balcony
2 persons
855 sq. feet 
2 Double beds
Shower
Coffee machine
King Room Balcony
2 persons
1 King-size bed
Shower
Coffee machine
King Room
2 persons
1 King-size bed
Shower
Coffee machine
Double Queen Room Balcony
2 persons
2 King Size Beds
Shower
Coffee machine
Click button to see more rooms
Show all rooms
Show all roomsLess

Price and Room Availability Calendar

Check availability and prices for your dates now!

Facilities

Inn At Diamond Cove offers amenities for your comfortable stay and unforgettable experiences
Facilities: Perfect
9.4/10Review score

General

  • No smoking on site
  • Wi-Fi
  • No pets allowed
  • Rooms/ Facilities for disabled
  • Security
  • Luggage storage
  • Lift
  • Coffee shop
  • Fireplace
  • Smoke detectors
  • Fire extinguishers
  • Key card access

Sports & Fitness

  • Fitness centre
  • Hiking
  • Tennis court
  • Bowling
  • Billiard tables
  • Fishing

Services

  • Grocery shopping service
  • Welcome drink

Dining

  • Restaurant
  • Snack bar
  • Bar/ Lounge area
  • Packed lunches

Children

  • Board games
  • Children's play area

Spa & Leisure

  • Seasonal outdoor pool
  • Beach access
  • Sun loungers
  • Garden area
  • Jacuzzi

Room features

  • Air conditioning
  • Soundproofed rooms
  • Sitting area
  • Garden furniture
  • Dining table

Media

  • Flat-screen TV
  • AM/FM alarm clock

Room decor

  • Carpeted floor
Show more

Inn At Diamond Cove Location

18 Mckinley Ct, Portland, Maine, United States, 04109
Map view
18 Mckinley Ct, Portland, Maine, United States, 04109
Nearby
Great Diamond Island
1600 ft
Restaurants
Diamond Cove General Store
700 ft
255 Diamond Ave
Explore Portland
Explore Local Highlights
Top Attractions
Activities
Dining
Entertainment
Great Diamond Island
Great Diamond Island
6 minutes walking
Scenic vistas and walking trails characterize Great Diamond Island, ideal for a family day out or a peaceful nature retreat.
Cow Island
Cow Island
15 minutes walking
Cow Island features walking paths and a tranquil environment, perfect for leisurely walks and appreciating the breathtaking views.
Fort Lyon
Fort Lyon
15 minutes walking
Historic Fort Lyon provides insight into local history, offering guided tours and a glimpse of stunning coastal views.
Echo Point Light
Echo Point Light
15 minutes walking
This picturesque lighthouse at Echo Point is a charming spot for photography and enjoying the coastal scenery.
Biking on Great Diamond Island
6 minutes walking
Biking trails on Great Diamond Island offer stunning views and nature exploration, with bike rentals available on-site.
Fishing Adventures
15 minutes driving
Fishing charters are available nearby, ideal for thrill-seekers aiming to catch local fish in the beautiful Maine waters.
Yoga at Lumpkin Park
15 minutes walking
Relax and rejuvenate with yoga sessions held at Lumpkin Park, providing a peaceful ambiance for personal wellness.
Diamond Cove General Store
Diamond Cove General Store
5 minutes walking
A cozy spot offering local flavors and essentials, with sandwiches and fresh produce. Great for a casual meal or snack.
Diamond's Edge Restaurant
5 minutes driving
Known for its fresh seafood and beautiful waterfront views, this restaurant features a warm atmosphere for a relaxed dining experience.
Long Island Community Center
15 minutes walking
Hosts family-friendly events and cultural programs throughout the year, making it a great hub for community entertainment.
Peaks Island Theater
30 minutes walking
Local theater offering a variety of performances, from plays to live music, enriching the cultural landscape of the area.
Getting around
City Centre
Portland6 min  ·  1700 ft
Airports
Portland International Jetport (PWM)22 min  ·  8.8 mi
Augusta State (AUG)142 min  ·  58.6 mi
Want to see Exclusive Early Booking Rate?
Get exlusive rates right now!
Check Rates
Property information and rules
Check-in
from 16:00-22:00
Check-out
from 08:00-11:00
Guest Parking
No parking available.
Internet
Wireless internet is available in for free.
Children & extra beds
There are no extra beds provided in a room.  There are no cots provided in a room. 
Pets
Pets are not allowed.
Number of rooms:
44

Reviews and Ratings

Feedback about Inn At Diamond Cove from previous guests about their experience.
Review score
Based on 68 verified reviews
8.3/10
Great
77%
Recommend
Cleanliness
9.5/10
Comfort
9.6/10
Facilities
9.4/10
Location
9.2/10
Staff
9.4/10
Value for money
9.1/10
Guest reviews
based on 27 reviews
9.1/10
No reviews yet on our siteUnfortunately, our guests have not yet left any reviews for this hotel, but you can read reviews from Booking.com.
Open reviews
FAQs
About Inn At Diamond Cove
What are the check-in and check-out times at Inn At Diamond Cove?
Check-in is at 16:00, and check-out is at 11:00.
How far is Inn At Diamond Cove from Portland International Jetport?
The hotel is located 15 km from Portland International Jetport.
What on-site dining options are available at Inn At Diamond Cove?
Guests can dine at Diamond's Edge Restaurant and The Lobby Café.
Are there recreational facilities available at Inn At Diamond Cove?
Guests have access to an outdoor swimming pool, tennis court, and bicycle rentals.
Which room amenities are available at Inn At Diamond Cove?
Rooms include a balcony, seating area, coffee machine, and flat-screen TV.
Is parking available at Inn At Diamond Cove?
The hotel offers complimentary parking for guests.
What nearby attractions can guests visit from Inn At Diamond Cove?
Nearby attractions include Fort McKinley Museum and Portland Head Lighthouse.
What policies are in place regarding payment at Inn At Diamond Cove?
Accepted payment methods include American Express, Visa, Discover, and MasterCard.
Does Inn At Diamond Cove offer any services for business travelers?
The hotel features meeting spaces suitable for events and gatherings.
How close is Inn At Diamond Cove to the Portland city center?
The hotel is approximately 2 km from the Portland city center.

Next best alternative

Consider them for your next trip.
Check-in
20Apr2026Select date
Check-out
21Apr2026Select date
Rooms and Guests2 Guests, 1 Room