Answer
Hard-water ponds follow the state that owns the water—Maryland and Delaware licenses are not interchangeable. Buy the correct credential online or at tackle counters before you drill. Trout-stamp confusion trips inland visitors who only bought coastal licenses.
Sources: Maryland DNR · Delaware DNREC
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.
