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Belle Isle Marsh Reservation

Details unconfirmedPreserve · Winthrop, MA
Right now

A 225-acre DCR reservation protecting the largest surviving salt marsh in Boston Harbor, spread across East Boston, Revere and Winthrop. About 28 acres are landscaped park with pathways, benches and a three-story observation tower; the rest is tidal marsh supporting more than 270 recorded bird species.

What to expect

Parking
Free lot free · unconfirmed
Trails
Trails easy · paved/packed
Entry fee
Free
Dogs
Dogs are allowed on leash or in a carrier
Birdwatching
Allowed year-round
Managed by
Massachusetts DCR Website

Getting in

Parking
Free lot
Costfree
Details unconfirmed

What's here

On site

Info kiosk
observation tower, three-story climb on solid steps
Benches

Not here

No drinking water
no confirmed drinking water fountain on site

Common questions

Are there trails and how long are they?
Belle Isle Marsh has roughly three-quarters of a mile of easy, flat paths through the marsh, including the Kilmartin Pathway and a piece of the Winthrop Greenway, plus a climb up the three-story observation tower for a wider view.
Where do I park at Belle Isle Marsh Reservation?
Free lot (free).
Are there trails at Belle Isle Marsh Reservation?
Yes. easy difficulty. Surface: paved/packed.
Is there an entry fee at Belle Isle Marsh Reservation?
No, entry is free.
Can I bring my dog to Belle Isle Marsh Reservation?
Dogs are allowed on leash or in a carrier
What rules should I know at Belle Isle Marsh Reservation?
Removal of park resources, feeding wildlife, fires, camping, alcoholic beverages, and motorized vehicles are all prohibited within the reservation.

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More in Winthrop

Beaches (5) · Parks (5) · Playgrounds (5) · Boat & kayak launches (1) · Ponds (1)

BetaSome details here are unconfirmed (accessibility, authority phone). Details are sourced from public agency data and can change through the season. Confirm locally before you go. Sourced 2026-07-22. Official source. Updated 2026-08-14.