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Discover Portland’s hidden maritime gem with a private island and fort tour—expert guides, stunning views, and rich history all in a 2-hour boat adventure.

If you’re seeking a truly unique experience in Portland, Maine, this private island and fort tour offers an intriguing mix of history, scenery, and local charm. While the idea of exploring a 19th-century fort might sound niche, the way this tour blends storytelling, stunning vistas, and a relaxed boat ride makes it much more accessible and enjoyable for most travelers.
What we love most about this tour is the chance to visit Fort Scammel—a site that’s been off-limits for decades—and to do so aboard a comfortable, well-equipped boat, the Elizabeth Grace. The guides and crew are praised for their knowledgeable storytelling and friendly attitude, which help turn a history lesson into a lively, memorable outing. We also appreciate the intimate size of the group, which makes the experience more personal and less touristy.
One consideration is the lack of onboard restroom facilities, which travelers should keep in mind especially if they prefer longer trips or have mobility needs. The tour’s focus on the island’s historic site makes it ideal for those curious about military architecture or looking for a peaceful escape from urban life. It’s especially suited for history buffs, families, or anyone who enjoys scenic boat rides with a touch of adventure.
This experience is best for those who want an authentic, well-rounded taste of Portland’s maritime history without spending an entire day. It offers excellent value with its combination of guided exploration, scenic cruising, and the intimacy of a small group.
More ways to experience Portland from the water include these boat tours

Starting at Portland Beer Hub, the meeting point is conveniently located near public transportation. An early start at 10:30 am ensures you beat the crowds and enjoy the morning light on Casco Bay. From the moment you board the Elizabeth Grace, you’re treated to a relaxed vibe and friendly crew. The boat itself is described as comfortable, with a smooth ride and fantastic views on the way out.
The cruise itself is one of the highlights. The crew shares insights about the bay’s history, ships, and lighthouse lore, which many reviews praise as “extremely knowledgeable” and engaging. You might even catch glimpses of seals or other wildlife, adding a wildlife-watching element to the trip. Plus, the small group size means you get a chance to chat with the crew and ask questions comfortably.
The main attraction, Fort Scammel, is a site seldom seen by visitors. It’s a privately owned historic site that was off-limits for decades, making this tour a rare opportunity. Once docked, you’ll explore the architecture, masonry, and ruins of the fort, which has French influences and underground passages that evoke a sense of adventure. Several reviews mention how “the tour was exceptional with such historical importance,” highlighting the value of getting insider access.
The guide provides detailed stories about the fort’s construction, military use, and the significance of the site, making history tangible and lively. One reviewer appreciated the guide’s “super knowledge,” and another said, “we learned lots of history,” which underscores the educational value of the visit. The underground tunnels and ruins are often described as “amazing” and “well worth the walk,” and some mention that the walk is accessible for most fitness levels.
For a more personal experience, these private Portland tours deliver individual attention
The tour includes one canned local or craft alcoholic beverage or a non-alcoholic drink per person, adding a casual, local touch to the experience. Additional drinks can be purchased onboard with a credit card, but it’s important to note there’s no restroom onboard, so plan accordingly if you need facilities or have mobility concerns. Restrooms are available at the departure point.

This experience appeals most to travelers interested in history, architecture, and scenic boat rides. It’s particularly suited for those who want to explore a rarely accessible historic site with a knowledgeable guide in a small group setting. Families with children who enjoy light walking and outdoor exploration also find it manageable, especially with reviews mentioning most fitness levels can handle the walk.
It’s a perfect choice for couples, history buffs, or anyone looking to combine sightseeing with a relaxed maritime adventure. The private island aspect makes it a memorable, intimate outing—not a crowded tour bus experience.

At $99, this tour offers a solid value considering the access to a private fort, the scenic boat ride, and the personal attention from guides. It’s a time-efficient experience—just 2 hours—that delivers a rich dose of local history and wonderful views. The price includes the guided tour and the first drink, which adds to the relaxed, social vibe.
The tour runs rain or shine, and its cancellation policy offers free cancellation if done more than 24 hours in advance. This flexibility is helpful given Maine’s unpredictable weather. Just note that the tour requires a minimum of 4 travelers to operate, so it might be less ideal for solo travelers or very small groups unless booking privately.

If you’re visiting Portland and crave a mix of history, scenic views, and a touch of adventure, this private island and fort tour ticks all those boxes. It’s a chance to go behind the scenes at a historic site, enjoy a relaxing boat cruise, and learn from guides who are both passionate and knowledgeable.
The experience’s intimate group size fosters a friendly, informal atmosphere, perfect for asking questions and taking in the scenery. The inclusion of a local craft beer or non-alcoholic drink makes it feel like a true local experience as well.
However, if you’re looking for a full-day adventure, or have specific needs like onboard restrooms or a large group, you might want to consider other options or private charters.
All in all, this tour offers a well-rounded, authentic look at Portland’s maritime past that’s both fun and educational—definitely worth considering if you want to add a slice of history to your trip.

Is this tour suitable for children?
Yes, most reviews indicate the walk around the fort is manageable for most fitness levels, and children who enjoy light outdoor activities tend to find it engaging. There’s also a scavenger hunt for kids to keep them entertained.
What is included in the price?
Your ticket covers the boat cruise, access to Fort Scammel, and one canned local or craft alcoholic beverage or non-alcoholic drink. Additional drinks are available for purchase, but there’s no onboard restroom.
How long is the tour?
The entire experience lasts about 2 hours, making it a perfect short outing that fits well into a busy schedule.
Where does the tour start?
The meeting point is Portland Beer Hub at 320 Fore St, Portland. The boat departs at 10:30 am, so plan to arrive a little early.
Are there any weather restrictions?
Yes, the tour requires good weather. In case of poor weather, the tour may be canceled or rescheduled, with options for a full refund or alternative date.
Is there a minimum group size?
Yes, the tour requires a minimum of 4 travelers to run, but it often books out with groups of 6 or more.
Can I book a private tour?
For groups of 6 or more, private charter options are available—just reach out to the tour provider for arrangements.
Is there a restroom onboard the boat?
No, there’s no restroom onboard, so travelers with urgent needs should plan accordingly or use facilities at the departure point.
How accessible is the tour?
The walk around the fort is generally accessible for most fitness levels, but if you have mobility concerns, it’s best to check with the provider beforehand.
“Highly recommend! We ended up with only a small group of 6 which made the tour experience all the more memorable! Captain Pete is extremely knowled…”

This private island and fort tour in Casco Bay offers a fantastic blend of history, scenery, and local hospitality. The guided exploration of Fort Scammel’s well-preserved ruins, combined with a scenic boat ride past Portland’s lighthouse-studded coastline, makes for a genuinely memorable outing. With knowledgeable guides and a small-group environment, it provides a personal touch that larger tours can’t match.
It’s an especially good choice for history enthusiasts or anyone wanting an authentic experience outside traditional sightseeing. The price reflects the exclusive access and quality of the experience, providing excellent value for a well-curated adventure. Plus, the relaxed pace means you can soak in the views and stories without feeling rushed.
If you’re after an affordable, intimate, and educational maritime adventure, this tour is likely to satisfy. It’s best suited for travelers who enjoy scenic boat rides, historical sites, and small-group experiences that feel personal and authentic. Just remember to plan for weather and restroom needs, and you’ll be set for a memorable day exploring Portland’s beautiful coastline and its hidden fortresses.