Guides WantedSt Mary’s and Nassau Rivers
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Quick Summary
St Mary's and Nassau Rivers are separate northeast Florida waterways with upstream freshwater and lower tidal fishing. Choose the river, salinity zone and legal access first. Check Florida and Georgia rules where applicable to St Mary's River.
Top Fishing Guides on St Mary’s and Nassau Rivers
Guides WantedSt Mary’s and Nassau Rivers Reviews
Top Target Species on St Mary’s and Nassau Rivers
Largemouth Bass
Bluegill
Redbreast Sunfish
Channel Catfish
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Frequently Asked Questions about St Mary’s and Nassau Rivers
Are St Mary's and Nassau one river?
No. They are separate coastal rivers. Choose the exact river and upstream freshwater or lower tidal stretch before planning.
What fish occur upstream?
FWC identifies bass, panfish and catfish in lower-salinity reaches, including bluegill and redbreast sunfish on St Mary's River.
What changes in lower tidal water?
Species, current, salinity and applicable fishing rules change. FWC discusses drum, sea trout and flounder in lower stretches.
Which state's rules apply?
FWC advises reviewing both Florida and Georgia rules on St Mary's River because requirements depend on the fishing location. Check saltwater rules where applicable to lower tidal water.
Is one guided departure confirmed?
No specific booking product is installed on this combined river page. Confirm the river, lawful launch, target and date with an operator.
Fishing St Mary’s and Nassau Rivers
St Mary’s River and Nassau River are separate coastal rivers in northeast Florida. This page focuses on Florida-side fishing planning, while St Mary’s River also borders Georgia. Choose the river and stretch first: upstream freshwater habitat and lower tidal water offer different targets and require location-specific rules.
Freshwater reaches and techniques
The FWC St. Marys and Nassau Rivers forecast identifies bass, panfish and catfish in lower-salinity upstream water, including bluegill and redbreast sunfish on St Mary’s River. Fish wooded banks, cypress cover and vegetation with presentations suited to the target. Soft plastics or jigs can work around bass cover; worms or crickets are options for panfish where permitted.
As temperatures and flows change, try deeper pools and sheltered current breaks as well as shoreline structure. Adjust bait and lure placement to current speed, water clarity and the conditions you find. A useful seasonal pattern is not a guarantee of a catch.
Lower tidal water
Lower stretches can offer drum, sea trout and flounder fishing, depending on the water being fished. FWC discusses live bait and artificial presentations around current breaks, woody structure and hard bottom. Check freshwater or saltwater licensing and species rules for the actual location, and do not treat the rivers as one uniform bass lake.
Access and river selection
Consult the FWC Nassau and Duval boating and angling guide for regional waterway and access context, then confirm the exact ramp’s current operating status, route and permissions. Older turn-by-turn directions do not establish that a ramp is open or suitable for your boat today.
Jacksonville fishing trip planning is a regional starting point. Compare largemouth bass and bluegill identification when choosing an upstream target. No specific guided booking product is installed on this combined river page; discuss the intended river, launch and target before arranging a trip.
Licenses and state boundaries
Review Florida freshwater fishing rules and Georgia fishing regulations for the stretch you will fish. FWC specifically advises checking both states’ rules on St Mary’s River. Confirm the applicable saltwater requirements when fishing the lower tidal reaches.
The retained gallery is an existing St Mary’s River landscape image. It illustrates river habitat rather than a promise of current water level, ramp access or fishing conditions.
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