Answer
Both are behind-the-island bay systems with calmer water than the open Atlantic, but names and boundaries matter for navigation charts and local directions. Outfitters and marinas reference both when describing launch sites. Ask your rental operator which bay segment your trip explores.
Sources: Maryland DNR · 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.
