Great Diamond Island Travel Guide

Tourist Guide

Summer on Casco Bay
Great Diamond Island, Casco Bay, Maine, USA
Great Diamond Island, Casco Bay, Maine, USA
Great Diamond Island
The Westin Portland Harborview

The Westin Portland Harborview

4 out of 5
157 High St Portland ME
The price is Rp2.360.220 per night from 21 Apr to 22 Apr
Rp2.360.220
Rp2.611.347 total
21 Apr - 22 Apr
includes taxes & fees
Stay at this spa hotel in Portland. Enjoy free Wi-Fi, a full-service spa and breakfast (surcharge). Our guests praise the helpful staff and the clean rooms in ...
The Westin Portland Harborview
Cambria Hotel Portland Downtown-Old Port

Cambria Hotel Portland Downtown-Old Port

3 out of 5
25 HANCOCK STREET Portland ME
The price is Rp1.888.176 per night from 27 Apr to 28 Apr
Rp1.888.176
Rp2.551.784 total
27 Apr - 28 Apr
includes taxes & fees
Stay at this business-friendly hotel in Portland. Enjoy free Wi-Fi, breakfast (surcharge) and a 24-hour fitness centre. Our guests praise the restaurant and ...
9.4/10 Exceptional! (1,185 reviews)
Clean, quiet, good stay.

Reviewed on 6 Apr 2026

Cambria Hotel Portland Downtown-Old Port
Portland Harbor Hotel

Portland Harbor Hotel

4 out of 5
468 Fore Street Portland ME
The price is Rp2.000.414 per night from 12 Apr to 13 Apr
Rp2.000.414
Rp2.861.045 total
12 Apr - 13 Apr
includes taxes & fees
Stay at this business-friendly hotel in Portland. Enjoy free Wi-Fi, 3 coffee shops/cafes and breakfast (surcharge). Our guests praise the helpful staff and the ...
9.2/10 Wonderful! (1,762 reviews)
So lovely, great service

Reviewed on 4 Apr 2026

Portland Harbor Hotel
See all 2,365 properties in Great Diamond Island
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
HomeAwhile

HomeAwhile

4 out of 5
205 Southborough Drive Scarborough ME
Stay at this aparthotel in Scarborough. Enjoy free Wi-Fi, free parking and laundry facilities. Popular attractions Maine Mall and Beech Ridge Motor Speedway ...
9.2/10 Wonderful! (16 reviews)
The kitchen didn’t have everything need to cook, doors kept slamming all night long. Wasn’t a pleasent stay. Doesn’t even have a coffee maker.

Reviewed on 5 Apr 2026

HomeAwhile
The Weldon Hotel

The Weldon Hotel

4.5 out of 5
54 York St Portland ME
Stay at this luxury aparthotel in Portland. Enjoy free Wi-Fi, a 24-hour fitness centre and parking (surcharge). Popular attractions Victoria Mansion and Cross ...
9.8/10 Exceptional! (98 reviews)
We had an absolutely wonderful stay here. It is our second time. The location is fantastic, making it easy to get anywhere we needed. One block from the waterfront. Very walkable. Our unit came with a fully stocked kitchen, complete with a multi cooking option stove. Beautiful place settings, and ...

Reviewed on 26 Mar 2026

The Weldon Hotel
See all properties in Great Diamond Island
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

Popular places to visit

State Theatre

State Theatre

The beautiful mix of architectural styles, from Art Deco to Moorish, makes this newly renovated performing arts venue one of New England’s best.

State Theatre
Portland Museum of Art

Portland Museum of Art

Maine’s largest and oldest art institution showcases three centuries of American art and European masters in its architecturally impressive museum complex.

Portland Museum of Art
East End Beach

East End Beach

Swim in the Atlantic Ocean, stroll along the sand-and-pebble shoreline or enjoy a picnic with unbeatable views at Portland’s public beach.

East End Beach
Spring Point Ledge Lighthouse is the only caisson-style light station in the USA that visitors can walk to. Located on the breakwater at Southern Maine Community College in South Portland.

University of Southern Maine

Enjoy the student vibe at University of Southern Maine as part of your travels around Portland. Stroll along the waterfront or attend a sporting event in the area.

University of Southern Maine
Eastern Promenade

Eastern Promenade

Built on an old rail corridor along the easternmost portion of Portland’s peninsula, this waterfront trail offers stunning views of the harbor and Atlantic Ocean.

Eastern Promenade
Portland Observatory

Portland Observatory

After visiting Portland Observatory, make a plan to see the other sights and activities in Portland. Stroll along the area's seaside or experience its great live music.

Portland Observatory

Things to do

Downtown Portland: Coastal Vibe and Old Mansions with In-Add Audio Tour

Downtown Portland: Coastal Vibe and Old Mansions with In-Add Audio Tour

Rp164.566
per traveller
Downtown Portland: Coastal Vibe and Old Mansions with In-Add Audio Tour
Ultimate Portland Self-Guided Driving GPS Audio Tour

Ultimate Portland Self-Guided Driving GPS Audio Tour

Rp288.116
per traveller
100% of travellers recommend
Ultimate Portland Self-Guided Driving GPS Audio Tour
Portland Downtown Highlights: "The Golden Adventure" Exploration Game

Portland Golden Adventure Puzzle Quest and Tour

Rp154.692
per adult
Portland Golden Adventure Puzzle Quest and Tour
Maine: Portland Smartphone-Based Walking Audio Tour

Maine: Portland Smartphone-Based Walking Audio Tour

Rp220.284
per traveller
Maine: Portland Smartphone-Based Walking Audio Tour
Audio Guided Walking Tour from Old Port of Portland, Maine

Audio Guided Walking Tour from Old Port of Portland, Maine

Rp131.425
per adult
100% of travellers recommend
Audio Guided Walking Tour from Old Port of Portland, Maine
Portland Self-Guided Driving Audio Tour

Portland Smartphone Audio Tour: Self-Guided Drive

Rp288.116
per traveller
Portland Smartphone Audio Tour: Self-Guided Drive
See all activities in Great Diamond Island