HARWICH PORT BOAT TOUR FIELD GUIDE
Up Close with Monomoy: Gray Seals, Shallow Lagoons and the Perseverance
A 75-minute, naturalist-led boat tour from Harwich Port that threads narrow channels and isolated lagoons to show Gray seals, seabirds and local harbors.
Up Close with Monomoy: Gray Seals, Shallow Lagoons and the Perseverance.
Board the shallow-drafting seal-watch vessel Perseverance in Harwich Port and glide into the sheltered channels and isolated lagoons around Monomoy, where Gray seals swim along shores and over the flats. A naturalist accompanies every cruise, pointing out seabirds, local history and—even occasionally—the shadow of a great white shark as you visit nearby harbors and lighthouses.
Highlights
Outing Highlights
Gray seals at close range
The seals of Monomoy can be seen unusually close from the shallow-drafting Perseverance as it glides along shores and over the Monomoy flats; in spring and fall they may also be found hauling out on outer beaches.
Narrow channels and isolated lagoons
The route moves through tight channels into isolated lagoons and across shallow flats, offering varied vantage points for seal and seabird viewing as well as glimpses of surrounding harbors and shorelines.
Naturalist-led, family-focused exploration
A knowledgeable naturalist is on board to describe the animals and the area's history, making the cruise an accessible ocean-adventure option for families.
What the day feels like
How the trip feels
Expect a compact, observation-focused outing: board in Harwich Port and spend about 75 minutes aboard the Perseverance as it navigates narrow channels and shallow lagoons. Stops concentrate on places where Gray seals gather and where seabirds ride the currents, with narration from the onboard naturalist tying wildlife sightings to local history and coastal geography.
Suitability
Who it's for
Who gets the most out of this cruise and who should plan accordingly.
Practical planner
Details to review before reserving
The cruise lasts approximately 75 minutes.
Meet at 731 Route 28, Harwich Port, MA 02646 for boarding.
A jacket or sweatshirt, camera, binoculars, sunglasses and sunscreen are recommended.
Review cancellation policies before reserving.
Frequently asked questions
Planning Your Outing
How long is the Seal Cruise?
The cruise lasts approximately 75 minutes.
Where do I meet the boat?
Boarding takes place at 731 Route 28, Harwich Port, MA 02646.
What wildlife will we see?
The primary attraction is Gray seals seen close from the shallow-drafting Perseverance; seabirds are also common, and the occasional shadow of a great white shark has been reported.
Is there a guide on board?
Yes — a naturalist is on board to describe the animals you see and the area's history.
What should I bring with me?
A jacket or sweatshirt, camera, binoculars, sunglasses and sunscreen are recommended.
Does the cruise visit harbors and lighthouses?
Yes — in addition to seal and bird viewing, the tour includes visits to surrounding local harbors and lighthouses.