Answer
Some hotels advertise indoor or enclosed pools that stay usable when outdoor decks close for lightning. Policies may limit pool access to registered guests. Never swim outdoors when thunder is in the area.
Sources: Visit Ocean City · NWS Wakefield / NOAA
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.
