Visit Great Diamond Island

Reviewed on Jun 28, 2025

Reviewed on Jun 28, 2025

Reviewed on Jun 26, 2025

Reviewed on Jun 11, 2025

Reviewed on Aug 17, 2024

Reviewed on Nov 1, 2024
Check Great Diamond Island hotel availability
Popular places to visit

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.

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.

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.

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.

Victoria Mansion
Visit the remarkably preserved 19th-century manor house, located in downtown Portland. Get an authentic impression of life during that era.

Maine College of Art
You can spend an afternoon browsing the exhibits at Maine College of Art during your trip to Portland. Experience the area's acclaimed theater scene and great live music.
Things to do

Downtown Golden Adventure Quest Experience in Portland

Portland Tall Ship Cruise on Casco Bay

Sunset Lighthouse Cruise Tour from Casco Bay

Portland: Schooner Tall Ship Cruise on Casco Bay

Afternoon Windjammer Cruise Along the Coast of Portland Maine
