Connecticut campground
Hammonasset Beach State Park reservations
Madison, CT
Hammonasset's William F. Miller Campground has 558 open sites by the beach and no pets. Connecticut opens each date 11 months ahead; the 2027 season runs May 28 to October 11.
The booking rule here is Connecticut's: see Connecticut booking rules. Season: May 28, 2027 to October 11, 2027.
When does my date open?
Pick the date you want, and see the day and time it becomes bookable.
Rule from CT State Parks: Camping (Reservation Window, season dates), checked October 27, 2026. Confirm on the official site before you rely on it.
Sold out? What to do next
Book through ReserveAmerica first. It's the only place to reserve. If your date is gone:
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Watch for cancellations
Stay nearby instead
Get the reminder by email
One email the week before the big New England openings (Maine's season day, Massachusetts' opening day, Cadillac's first releases), and when Rhode Island announces its new system. Nothing else.
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Sources
- CT State Parks: Camping (Reservation Window, season dates), checked October 27, 2026.
Rules change. Always confirm on the official site before you rely on a date.