Recreational Vessels on Fire at Marina; Winthrop, Massachusetts

Winthrop, MA 02152, USA | 2026-Jun-05

Initial Notification: At approximately 2:30am on June 5, 2026, 12 recreational vessels caught fire at Cottage Park Yacht Club in Winthrop, Massachusetts. As of 6am, the majority of the fires had been extinguished, multiple vessels had sunk at the dock, and two vessels had broken from their moorings and were aground on Snake Island. U.S. Coast Guard Sector Boston contacted the NOAA Scientific Support Coordinator (SSC) to request fate and trajectory information. The SSC prepared a Resources at Risk report and developed trajectory and fate analyses. This information, along with information about the fate and transport of small diesel spills, was shared with USCG Sector Boston.