Grass Island, Mesquite Bay
Grass Island in Mesquite Bay is a textbook example of productive back-bay redfish habitat.
Texas · United States · Season: Spring through fall
Overview
Grass Island in Mesquite Bay is a textbook example of productive back-bay redfish habitat. This large, irregularly shaped island is surrounded by dense, healthy grass flats and features numerous small guts and sand pockets. The entire area benefits from relatively clear water, especially on north winds, and is somewhat protected by the surrounding landmasses. Redfish here are commonly found tailing deep in the grass or cruising the sand potholes, making for excellent sight-casting opportunities. Access is primarily by boat, with the nearest launch often being from Port O'Connor. It's a bit of a run, but the reward is a tranquil environment and often unpressured fish. Fall through spring are prime, with winter cold fronts often concentrating fish. Anglers will need to be patient, stealthy, and able to present flies accurately into tight cover. The remote feel of Mesquite Bay adds to the charm, offering a true escape from more crowded waters.
Why it stands out
Dense grass flats provide exceptional redfish habitat Generally clear water, especially with northerly winds Good protection from most prevailing winds Opportunities for tailing redfish in very skinny water Peaceful, remote environment with less angling pressure
Know before you go
Longer boat run from most launch points Bottom can be soft in some grassier areas, challenging to wade Mosquitoes and biting insects can be bothersome in warmer months Navigation requires attention to shallow spots and prop scars
Planning notes
Where: Texas, United States Best season: Spring through fall Good for: Fly Fishing, Fishing Featured on: Top 10 Fly Fishing Flat Spots for Redfish on the Texas Middle Coast (#9) Access point: Texas, USA Check current permits, closures and fire restrictions with the managing agency before you commit to dates.
Field notes
- Dense grass flats provide exceptional redfish habitat
- Generally clear water, especially with northerly winds
- Good protection from most prevailing winds
- Opportunities for tailing redfish in very skinny water
- Peaceful, remote environment with less angling pressure
Where on earth
Satellite imagery flying in from a world view to Grass Island, Mesquite Bay, United States.
Coordinates
- Decimal degrees
- 31.9686, -99.9018
- Latitude (DMS)
- 31° 58′ 7.0″ N
- Longitude (DMS)
- 99° 54′ 6.5″ W
Coordinates are an access-point reference for Grass Island, Mesquite Bay, not a route. Carry a paper map and confirm trailhead or put-in access with the managing agency before you go.

