http://www.reserveamerica.com/camping/Scusset_Beach_State_Res/r/campgroundDetails.do?agency=MA&parkId=32620
Scusset Beach is the best. Lot's of room, most of the paved spaces are tree lined, 15 miles of paved bike trails along Cape Cod canal, 30 amp, water, dump station. Camped in Oct '07...