Answer
Large-party auto-gratuity means you usually do not need to add another full percentage unless service was exceptional and you want to add more. Read the check carefully before signing. Ask the manager if the line item is unclear.
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.
