Natural swimming hole
Hart-Miller Island State Park — South Cell Beach
Ocean cove · Maryland
About this swimming hole
A boat-access-only state park on a man-made Chesapeake Bay island built from Baltimore Harbor dredge material, where the restored South Cell opened to the public in 2016. A roughly 3,000-foot sandy beach rims the western shore, and visitors arriving by private boat swim, camp, bike, and picnic with the Baltimore skyline on the horizon. The island is also a major birding site, with more than 300 species recorded.
Good to know
| Water type | Ocean cove |
|---|---|
| Best season | June–August |
| Reservations required | No |
| Hours | 8 a.m. to sunset; South Cell open May 1–September 30 |
| Parking | No road access — accessible only by personal boat or watercraft; the nearest mainland launch is at Rocky Point Beach and Park, about two miles away |
| Amenities | Beach, Campground, Trails, Picnic areas, Restrooms |
| County | Baltimore |
| Nearest town | Essex |
| Safety notes | No lifeguard supervision — swim at your own risk. The open-water crossing from the mainland involves strong currents, wind exposure, and heavy boat traffic; only experienced paddlers should attempt it by kayak. |
Map
Official information
Official park / agency page ↗ — check current conditions, fees, and reservations here before you go.
Nearby swimming holes
Frequently asked questions
Can you swim in Hart-Miller Island State Park — South Cell Beach?
Yes — Hart-Miller Island State Park — South Cell Beach is listed as a natural swimming spot in Maryland. Heads-up: No lifeguard supervision — swim at your own risk. The open-water crossing from the mainland involves strong currents, wind exposure, and heavy boat traffic; only experienced paddlers should attempt it by kayak.. There are rarely lifeguards at natural swimming holes — verify conditions locally before you go.
Does Hart-Miller Island State Park — South Cell Beach require reservations?
No reservations are required at Hart-Miller Island State Park — South Cell Beach based on current information — but verify before you go.
When is the best time to visit Hart-Miller Island State Park — South Cell Beach?
The best season is typically June–August.
Is Hart-Miller Island State Park — South Cell Beach safe for swimming?
Reported safety notes: No lifeguard supervision — swim at your own risk. The open-water crossing from the mainland involves strong currents, wind exposure, and heavy boat traffic; only experienced paddlers should attempt it by kayak.. There are rarely lifeguards at natural swimming holes — swim at your own risk.