Answer
Fenwick Island and Delaware state parks post their own seasonal pet windows—ocean-city-delaware-beaches-day-trip should include dog rules when you cross the line for a fetch day.
Sources: Delaware DNREC · Visit Ocean City · Town of Ocean City
Editorial visitor guidance for Ocean City, Maryland. Confirm current Town of Ocean City, Maryland DNR, NPS Assateague, and NWS rules when regulations or safety apply.
