Overview
Casco Bay is a region in Greater Portland, Maine. There are several islands of interest in this region. This is where the Maine coast begins. The islands are very laid back and it is where time stands still. Wooded islands, secluded coves and beaches. Cottages, sail boats, lobster boats and pleasure craft.
Updated from Wikivoyage on 1 October 2026 · Something wrong or missing? Improve it on Wikivoyage
Plan your trip
Best time to visit & weather
Most comfortable: May–Sep. Summer highs reach about 80°F; winter lows dip to about 16°F. Cold months (Jan, Feb, Dec) can bring snow and ice; check road conditions. Wettest: Oct and Dec. (climate data from nearby Seacoast)
Blue bars: average daily high and low (°F). Purple columns: average monthly rain and melted snow (inches).
Getting there
- From you: to see whether to drive or fly, and how long it takes.
- PWM Portland International Jetport, Portland — 13 mi away (major hub). Directions
- AUG Augusta State Airport, Augusta — 49 mi away. Directions
Sample 3-day trip
- Day 1: Long Island — Long Island Community Library, The Dodwell Gallery, Sandy Beach.
- Day 2: Peaks Island — Battery Steele.
- Day 3: Bailey Island — Bailey Island Bridge, Real Time Charters.
Built from the best-covered destinations in this region; open each for its own day plan.
Photos
Places in Casco Bay
Get in
- Casco Bay Lines Ferry Terminal: 56 Commercial Street, Portland +1 207 774-7871, Fax: +1 207 774-7875, Email: mailto:info@cascobaylines.com Ferry to all the major islands.
- Water Taxi There are several available in the area of the ferry.
Get around
Other than the ferry, one way to get around is by Kayak.
Do
- Eagle Island State Historic Site
Islands
- Bailey Island — part of the town of Harpswell
- Chebeague Island
- Cliff Island
- Cushing Island — a privately owned island
- Great Diamond Island
- House Island — a privately owned island
- Little Diamond Island — mostly privately owned recreational properties, accessible by Casco Bay Lines
- Long Island — the entire island became a town when it seceded from the City of Portland in 1993
- Mackworth Island
- Orr's Island — part of the town of Harpswell
- Peaks Island - 20 minutes from Portland by ferry
Nearby
Cape Elizabeth
City / town · 8 listings · 9 mi away
South Portland
City / town · 12 listings · 11 mi away
Portland
City / town · 106 listings · 11 mi away
Falmouth
City / town · 7 listings · 12 mi away
Yarmouth
City / town · 5 listings · 13 mi away
Scarborough
City / town · 5 listings · 14 mi away
Freeport
City / town · 47 listings · 15 mi away
Westbrook
City / town · 13 listings · 16 mi away
My experience
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