Popponesset Bay has the following tributary sub-embayments:
The bay’s watershed is distributed among the towns of Mashpee, Barnstable and Sandwich, Massachusetts. The town of Sandwich does have jurisdiction over land and associated land uses in the uppermost portions of the Popponesset Bay watershed. Portions of the Popponesset Bay watershed that exist within the Town of Sandwich are mostly situated above the Mashpee and Wakeby Ponds.
The present bay results from tidal flooding of drowned river valleys formed primarily by the Mashpee and Santuit Rivers as a result of a risen sea level. The Bay is separated from Nantucket Sound by Popponesset Peninsula, a barrier spit which extends from the southwestern shore and is mostly occupied by Popponesset Beach. Popponesset Beach is known to the locals as simply "The Spit."
The bay exchanges tidal water with Nantucket Sound through a single maintained inlet. The shore to the north of the inlet has been stabilized with riprap as has the heavily residential southern portion of Popponesset Beach. The current spit is significantly shorter than seen in the 1880 Barnstable County survey.
The village of Popponesset takes its name from these waters.
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Jul 16, 2000; SANDY NECK CLOSURE A five-mile stretch of Sandy Neck in Barnstable will be closed until about the third week in August because of...