Answer
Possible but rushed—Assateague rewards a full outdoor window, while outlets are an indoor reset. Many families split them across two days. If you combine, do Assateague early and shop on the return through West Ocean City.
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.
