- Type
- Harbour
Marina of about 130 berths at 550 Pleasant Street, Winthrop, Massachusetts, set in the sheltered water of Winthrop Harbor.
Guide
Approach and anchoring
Lies inside Winthrop Harbor, roughly equidistant from Boston's Inner Harbor and the open Atlantic. Floating pontoons with charted approach and dockside depths of around 7 to 9 metres. Three transient berths available; vessels up to 36 metres LOA accommodated.
Practical
Metered shore power at 30, 50 and 100 amp, fresh water, pump-out, heads, showers and grills at each pontoon. On-site management. A public Harborwalk runs along the marina front.
Key facts
- Type
- Harbour
- Coordinates
- 42.38040, -70.99320 (42°22.82'N 70°59.59'W)
- Town
- Winthrop
- Country
- United States
- Phone
- +16178465262
- Updated
- July 7, 2026
Getting there
Atlantis Marina lies at 42°22.82'N 70°59.59'W, that is 42.38040, -70.99320 in decimal degrees.
Boaters' reviews
No reviews yet. Be the first to share your experience of Atlantis Marina.
Write a reviewExplore the region
- United States
- New England
- Chesapeake Bay
- Carolinas and Georgia
- Florida
- Great Lakes
- California
- Pacific Northwest
- Alaska
Nearby cities
The free boat navigation app
Official nautical charts, marine weather, GPS and 50,000+ marinas and anchorages with reviews. All in one app, ready to sail.








