Answer
Guided tours, dolphin-watch crews, and nature interpreters often appreciate 10–20% or a flat per-person tip for good guiding—follow any operator suggestion. Cash is easy to pool as a group. Tip more for private customized outings.
Sources: Town of Ocean City · 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.
