State Park / State Forest · Massachusetts campground guide
The numbers
Fee range
$27–$47/night
Season open
Mid-April through Columbus Day
RV size limit
Up to 40 ft
Reservation window
6 months ahead via MA ReserveAmerica
The insider read
Only ocean-front state-park RV camp in MA. 2-mile beach. Books out July 4 weekend a year in advance — set ReserveAmerica alert for cancellations.
Original analysis from PickRV — synthesised from public sources you can verify, pulling the operational details competitor guides typically skip.
Verify at mass.govOn site
Book it right
PickRV doesn't handle campground bookings — reserve direct through the official channel so policies and cancellations flow through one record.
Opens reserveamerica.com
Every fact above is sourced from the managing agency's canonical page. Cross-check fee, season, and size limit before you depend on them.
Match the campground's size limit and hookup level to a vehicle category, then plan the rest of the trip.
Keep exploring
Near Hingham
StateInsider tip · Former WWII naval ammo depot — overgrown bunkers + abandoned roads now mountain-bike paradise. Closest large state-park camp to Boston (45 min).
Near Provincetown
PrivateInsider tip · Closest camp to Provincetown — walk/bike to the harbor. Acquired by The Trustees of Reservations 2014, non-profit operated. Dune ecosystem buffer means quieter than commercial Cape parks.
Near Florida (MA)
StateInsider tip · Berkshire-area forest with Tannery Falls + Bog Pond. Cooler nights even in August (1,800 ft elevation). Closest state-park camp to Mass MoCA in North Adams.
Near Sandwich
StateInsider tip · Cape Cod Canal mainland side — watch ships transit from your campsite. Hookup loop is rare for MA state parks. Walk-to-beach + walk-to-canal-bike-path.
Your next step
Horseneck Beach State Reservation Campground takes rigs up to 40 ft, so what you arrive in decides whether the loop works at all. If you don't own one, the same trip runs on a motorhome rented in Massachusetts.
Nothing in Massachusetts is bookable today. Dated requests are what we take to owners, so give us the window you actually want — you get one email the day a rig covers it, and nothing else.
Nearby & related
Sourced costs, campground directories, and the places worth a detour — the next layer of Massachusetts trip planning.
Before you go
Massachusetts rules
Verified 2026-05-10
