Answer
Check height and health restrictions before you buy tickets or wait in a long line, especially with kids near cutoff height. Rules are for safety and rarely bend on busy nights. Have a non-rider plan so one adult is not stuck unexpectedly.
Sources: Visit Ocean City
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.
