Answer
Possible but rushed—choose sunrise departure from OC, midday refuge time, and late return accepting traffic. Sand fatigue and kids’ meltdowns argue for dedicating one day entirely to Chincoteague instead of split agendas.
Sources: Visit Ocean City · National Park Service — Assateague
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.
