Answer
Options are more limited than in large metro areas; travelers should verify current congregations, Chabad or synagogue outreach, and Islamic centers in the wider Lower Shore region before assuming walk-in availability. Some visitors travel to Salisbury or farther for specific communities. Hotel staff and visitor info may know seasonal outreach.
Sources: Visit Ocean City · Worcester County
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.