Portland Harbor Cruise: 4 Lighthouses & Civil War Fort

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Free cancellationTravelers' pick

1/8

Duration1h 45m

GroupUp to 80

LanguagesEN

Mobile ticketAccepted

The boat cuts through Casco Bay past four working lighthouses and a Civil War fort

You board a harbor cruise that circles past four operational lighthouses and a Civil War-era fort in Casco Bay, with close views of Portland Head Light and the shipping channel islands. The boat includes a bar and restrooms, and the full cruise takes around two hours without requiring any walking or climbing once you're onboard.

1h 45m

Step-by-step itinerary

Explore Portland Harbor and Lighthouses

View Portland Head Light lighthouse
Pass historic 1897 lighthouse
See 1855 Bug Light lighthouse
Pass Civil War era Fort Gorges
View 1905 Casco Bay lighthouse
Explore islands in Casco Bay

The Experience

The boat leaves the dock and turns into Portland Harbor, and you're already moving past the shipping channel where tugboats and fishing vessels work the water. Within the first stretch, Portland Head Light appears — the one George Washington commissioned, the one that ends up in every lighthouse calendar you've ever seen. It's smaller than you'd think from the photographs, but that's part of what makes it real. The captain slows the boat, and you get close enough to see the paint, the rocks it stands on, the way the light sits at the top like it's been waiting there since 1791.

From there the cruise moves through Casco Bay itself, and the pace shifts. You pass Peaks Island, House Island, the Diamond Islands — some of them just ledge and scrub pine, others with houses tucked into the trees. The guide points out a seal habitat called Halfway Rock, and if the timing is right, you'll see them. Then comes Fort Gorges, the Civil War fort built on Hog Island Ledge and modeled after Fort Sumter in Charleston. It's a solid brick structure sitting alone in the water, and the boat circles it so you can see the whole thing — the way it was designed to defend the harbor, the way it's been left mostly untouched since the wars ended. The other three lighthouses come into view as you move through the channel: one from 1897, another from 1855 with six Corinthian columns around its base (designed by the same architect who worked on the Capitol), and a 1905 light that's a twin of Graves Light off Boston.

The boat has a bar and snack bar onboard, so you're not standing the whole time thirsty. There are restrooms too. The whole thing runs around two hours, which is long enough to feel like you've actually been somewhere but short enough that you're not tired by the end. You're not getting off the boat to explore the islands or the fort — this is a viewing cruise, not a landing tour — so it's the kind of thing you can do even if you've got other plans in Portland later in the day.

What’s included

Your cruise includes views of four historic lighthouses (Portland Head Light, Bug Light, and two others), Fort Gorges, Casco Bay islands, and a seal habitat.
Onboard amenities include a bar, snack bar, and restrooms.
The boat operates from Portland Harbor and the full experience takes approximately two hours.

Good to know

Easy physical levelStroller friendlyPets welcomeNot for pregnant travelers

Operated by Portland Discovery Land & Sea Tours

Is this one for you?Book this if you want to see Portland's lighthouse collection and Civil War fort without arranging a separate boat or timing your own route — the fixed course covers all four lights and the fort in one loop, and you stay onboard the whole time.