Maryland state waters, out to 3 miles
SizeNo size limit
Bag10 per person; 54 per boat
SeasonOpen year-roundOpen today
MD guide notes this applies in federal waters.
MD DNR 2026 · checked · the official rulebook is the final word
Maryland state record
74.5 lbPoor Man's Canyon, 2019
MD DNR Sport Fish State Records · checked 2026-08-23
How to tell it
Electric green-gold with blue flecks, blunt vertical forehead on bulls, full-length dorsal fin. More on the mahi-mahi page: every state’s rule, the records, and how anglers catch it.
Mahi-mahi in other states7 rulebooks
Questions anglers ask5
What is the size limit for mahi-mahi in Maryland?
No size limit.
How many mahi-mahi can you keep in Maryland?
10 per person; 54 per boat.
When is mahi-mahi season in Maryland?
Open year-round.
What is the Maryland record mahi-mahi?
74.5 lb, Poor Man's Canyon (2019).
How current is this Maryland mahi-mahi rule?
Source: MD DNR 2026, last checked Sep 20, 2026. A watchman re-reads the agency's pages nightly. Rules change mid-season by proclamation; the official rulebook is the final word.
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