Answer
Short-term visitors generally cannot rely on a new local P.O. Box for a week-long stay. Use General Delivery only if you understand USPS rules and ID requirements, or ship to lodging with permission. For most tourists, carrier hold-at-location or home shipping is simpler.
Sources: USPS
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.
