Answer
Assateague Island is a National Park Service / state-managed destination with its own entrance or parking fees—not Ocean City municipal beach tags. Many visitors day-trip to Assateague from Ocean City lodging. Budget separately for park passes, permits, and seasonal congestion.
Sources: National Park Service — Assateague · Visit 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.
