MOUNT DESERT BOAT TOUR FIELD GUIDE
Sunset on the Sound: Acadia Peaks, Cranberry Isles and Bear Island by Sea
A 90-minute, narrated evening cruise from Sea Princess Cruises that tracks Somes Sound and the Cranberry Isles at dusk—bring a picnic and watch for wildlife.
Sunset on the Sound: Acadia Peaks, Cranberry Isles and Bear Island by Sea.
Adventure brief
Sunset on the Sound: Acadia Peaks, Cranberry Isles and Bear Island by Sea
The Sunset Cruise threads a boat between Acadia’s darkening mountain ridgelines and the low, island-studded horizon of the Cranberry Isles, offering a compact evening passage that combines coastal geology, lighthouses and wildlife viewing with local narration.
Experience the breathtaking charm of Mount Desert, Maine, with Sea Princess Cruises' Sunset Cruise. This 90-minute private adventure takes you through Acadia National Park’s stunning coastal waters, offering spectacular views of Somes Sound Fjord and the iconic Bear Island Lighthouse. As the sun dips below the horizon, enjoy a narrated journey that highlights the natural beauty and local wildlife of the Cranberry Isles. Guests are encouraged to bring their favorite picnic and beverages, making this cruise an intimate and relaxing way to witness the changing colors of the sky alongside rugged mountains and serene waters. Whether you're a nature lover, photographer, or simply looking for a peaceful escape, this sunset cruise combines tranquility with discovery in a unique setting. Perfect for couples, families, or small groups, it’s a memorable way to end a day exploring the enchanting landscapes of Maine’s coast.
Route Schematic
Route & Key Stops
The cruise follows a short coastal circuit highlighting Somes Sound, Southwest Harbor, Bear Island Lighthouse and views of the Cranberry Isles.
Somes Sound
A fjord-like inlet visible from the water; one of the cruise’s narrated scenic focal points.
Southwest Harbor
Pass by harbor approaches and shoreline features near Southwest Harbor as part of the evening run.
Bear Island Lighthouse
Views toward the island’s lighthouse are a named highlight on the narrated cruise.
Cranberry Isles Vistas
Low, rocky islands that form the silhouetted backdrop for the sunset portion of the cruise.
Some cruise highlights are listed as possible and may vary by departure; check with the operator for exact routing on your date.
What the day feels like
How the Cruise Feels
Boarding a Sea Princess vessel at dusk, you settle into a 90-minute narrated run where guides point out the fjord-like Somes Sound, the low profile of the Cranberry Isles and the flash of a lighthouse as daylight slides away—an approachable evening on the water designed for relaxed viewing with the option to picnic onboard.
THE LANDSCAPE
Acadia’s Mountains and the Cranberry Isles at Dusk
The cruise frames the park’s mountain silhouettes against a seascape of islands—an intimate coastal perspective built for sunset light and reflective water.
THE ROUTE
Somes Sound, Southwest Harbor and Bear Island Lighthouse
Expect narration and passage past Somes Sound’s fjord-like inlet, a run by Southwest Harbor, and views toward Bear Island Lighthouse as the boat works the evening light.
THE WILDLIFE
Evening Wildlife and Local Naturalist Commentary
The cruise is narrated by an experienced local naturalist and includes chances to spot coastal birds and other wildlife while you enjoy a brought-on picnic or beverage.
Suitability
Who it's for
Who this cruise suits—and when to check further details.
Practical planner
Details to review before reserving
You are welcome to bring a picnic and beverages of your choice to enjoy aboard.
Bring layers for evening sea breezes and anything you need for a comfortable picnic while seated on deck.
Personal picnic food and beverages are explicitly allowed aboard for this cruise.
Review cancellation policies before reserving.
Frequently asked questions
Planning Your Outing
How long is the Sunset Cruise?
The cruise lasts 1 hour and 30 minutes.
When do evening departures run?
Available departure times listed are 6:30 PM in July and 6:15 PM in August.
Can I bring food or alcoholic beverages onboard?
Yes — you are invited to bring a picnic and beverages of your choice to enjoy while underway.
Is the cruise narrated?
Yes — the Sunset Cruise is narrated by an experienced local naturalist employed by the operator.
What sights and wildlife can I expect to see?
Typical highlights include views of Acadia’s mountains, the Cranberry Isles, Somes Sound, Southwest Harbor, Bear Island Lighthouse and opportunities for wildlife sightings.
Who operates the Sunset Cruise?
The cruise is operated by Sea Princess Cruises.
How this guide was prepared
This field guide is synthesized using verified supplier specifications, route descriptions, and destination data. Some booking links may generate affiliate revenue for ADV Guides.
- Verified: 2026-08-10T12:58:51.120Z
Some booking links may generate revenue for ADV Guides or The Adventure Collective.
Availability, pricing, schedules and operating details can change.
Trip details and contextual sources were reviewed by ADV Guides Editorial.