Delaware Seashore State Park
A large coastal state park offering both ocean-side swimming (lifeguarded in summer) and calmer bay-side swimming near Indian River Inlet
Delaware
Cape Henlopen State Park
One of Delaware’s flagship state parks, with a lifeguarded ocean beach alongside WWII history and birding — a well-rounded coastal
Fenwick Island State Park
A quieter alternative to Delaware’s more crowded northern beach towns, right at the Maryland state line.
Gordon’s Pond (Cape Henlopen State Park)
A coastal pond and beach area within Cape Henlopen State Park. The beach area offers guarded ocean swimming in the
Slaughter Beach
A small Delaware Bay town beach — regional guides specifically note this is best avoided FOR SWIMMING during the spring/early-summer
Lake Como
A family-friendly lake in Smyrna offering swimming, scenic views, and picnicking — one of the few true freshwater lake swim
Phillips Landing (Nanticoke River)
A scenic Nanticoke River access point near Laurel — primarily used for picnics and as a boat launch, though people
Killens Pond Waterpark
A developed water park within Killens Pond State Park, featuring speed and spiral slides up to 54 feet, a zero-depth-entry
Jungle Jim’s Waterpark
Regional guides specifically recommend this as the best option for visitors wanting to see the bottom clearly and have lifeguards