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Bay of St. Louis Fishing Regulations
What to check before fishing at Diamondhead Marina in Hancock County, Mississippi.
Fishing at Bay of St. Louis
Diamondhead Marina provides access to Bay of St. Louis, a semi-private body in Hancock County, Mississippi. Species-specific size and bag limits can vary by water body and change seasonally, so always confirm current rules for Bay of St. Louis specifically before you fish — statewide defaults don't always apply to every lake, river, or stretch of coast.
Check current regulations for Bay of St. Louis →Fishing License
Fishing in Mississippi is regulated by the Mississippi Department of Wildlife, Fisheries, and Parks. Most anglers 16 and older need a valid license, with some exceptions for residents, youth, or shore-based fishing depending on the state.
Get a Mississippi fishing license →Before you cast a line, check:
- Size and bag limits for your target species on Bay of St. Louis specifically
- Whether Bay of St. Louis has any special regulations (slot limits, catch-and-release zones, closed seasons)
- Your license requirements based on age, residency, and whether you're fishing from the bank or a boat
- Any required stamps or endorsements for specific species (e.g. trout, saltwater)