Plum Island Beach is a beach in Boston, Massachusetts.
Boston, Massachusetts · live parking & conditions · updated June 19, 2026
In a typical year July is the warmest month here, with highs near 80°F, and it's reliably beach weather June to August. Tap Plum Island Beach on the map for live surf, wind, water temperature, UV and tide times.
Open Plum Island Beach on the map →