What Cotton Bayou Offers

Cotton Bayou is a shallow, brackish system that sits just inland from the Gulf Shores barrier islands, accessible by boat from the Intracoastal Waterway. The bayou holds redfish, spotted seatrout, and flounder year-round, with seasonal runs of tarpon and permit in summer. The water is typically 2 to 6 feet deep, with soft bottom and scattered oyster beds that hold baitfish and create structure for larger species.

The bayou's appeal lies in its proximity to Gulf Shores and its consistency—you can fish it in conditions that shut down the open Gulf. The shallow water means you can work it with a skiff, kayak, or even wade in certain areas. Tides matter here more than in deeper systems; the water moves noticeably on the flood and ebb, concentrating fish in predictable zones.

Key Takeaways

  • Cotton Bayou holds redfish and spotted seatrout year-round, with best action in fall and spring when water temperatures stabilize.
  • Access is by boat from the Intracoastal Waterway; there is no public shore access, so you will need a skiff, kayak, or rental.
  • Fish the oyster beds and channel edges on moving tides, particularly the last two hours of the incoming tide and the first hour of the outgoing tide.
  • Shallow-draft boats work best; the bayou has soft bottom and occasional shallow spots that catch deeper-hulled vessels.

When to Fish Cotton Bayou

Fall (September through November) and spring (March through May) are the most reliable seasons. Water temperatures are moderate, baitfish are abundant, and redfish move into the shallows to feed. Summer brings tarpon and permit, but the heat pushes most trout and redfish into deeper channels during midday, making early morning and late afternoon the only productive windows.

Winter is fishable but slower. Water temperatures drop into the 50s, and fish move to the deepest holes in the bayou. You can still catch redfish and trout, but you will spend more time searching. Avoid the bayou during heavy rain or when the Intracoastal Waterway is running fast from recent storms; the influx of freshwater and current makes fishing difficult.

Tackle and Bait for Cotton Bayou

Redfish and spotted seatrout respond well to shallow-running plugs, topwater lures, and soft plastics in the 3- to 4-inch range. Colors that work across the Gulf Coast—bone, chartreuse, and natural shrimp patterns—are reliable here. Topwater is particularly effective at dawn and dusk when fish are feeding in the shallows.

Live bait is effective if you want to cover water methodically. Mullet, pinfish, and live shrimp all work. Cast near oyster beds and channel edges, and let the tide carry your bait into the structure. A 6- to 7-foot medium-action rod with 15- to 20-pound braided line handles the shallow water and occasional larger redfish without spooking fish in clear water.

Navigating the Bayou and Finding Fish

Cotton Bayou runs roughly north-south and connects to the Intracoastal Waterway at its southern end. The main channel is marked and dredged, but the surrounding shallows are where the fish are. Oyster beds line both banks and create a maze of small pockets and cuts. Use a GPS or chart to identify structure, but do not rely on it entirely—the bayou shifts with storms and dredging.

Fish the edges where shallow water meets the channel. Redfish hunt along these transitions, particularly on the incoming tide when baitfish are pushed into the shallows. Spotted seatrout hold in slightly deeper water (4 to 6 feet) near the oyster beds. Flounder sit on the soft bottom near structure and feed on small fish and shrimp. Tarpon in summer cruise the main channel and deeper holes; sight-casting to moving fish is the most effective approach.

Boat Access and Ramps

The nearest public boat ramp is at the Gulf Shores Public Boat Launch on the Intracoastal Waterway, which provides direct access to Cotton Bayou. The ramp is maintained year-round and has parking for trailers. From there, it is a short run east into the bayou. If you do not have a boat, several outfitters in Gulf Shores offer skiff rentals and guided trips into Cotton Bayou.

Kayak access is also viable. You can launch from the same ramp or from smaller access points along the Intracoastal. Kayaking gives you a quieter approach and lets you reach shallow pockets that larger boats cannot. The trade-off is range and the inability to move quickly if conditions change.

Tides and Water Conditions

Cotton Bayou is tidal, with water levels rising and falling roughly 1 to 2 feet depending on the lunar cycle. The incoming tide pushes baitfish into the shallows and concentrates redfish and trout along the edges. The last two hours of the flood and the first hour of the ebb are typically the most productive. Slack water (the brief period between tides) can be slow.

Water clarity varies. After heavy rain or strong wind, the bayou can turn murky, which actually improves topwater fishing because fish rely more on vibration and sound. Clear water favors natural colors and smaller lures. Check local tide tables before you go; the Intracoastal Waterway tide predictions are close enough for planning.

Frequently Asked Questions

Do I need a guide to fish Cotton Bayou?

No, but a guide is helpful if you are unfamiliar with the system. The bayou is navigable and fish are present year-round, but knowing which oyster beds hold fish and how to read the tides saves time. Several Gulf Shores outfitters offer half-day trips that cover the basics and get you into fish.

What is the best tide for Cotton Bayou?

The incoming tide is generally most productive because it pushes baitfish into the shallows. Fish the last two hours of the flood tide and the first hour of the ebb. Slack water (the transition between tides) is typically slower, though it can be good if you are sight-casting to tarpon or permit.

Can I wade in Cotton Bayou?

Yes, in certain areas. The soft bottom and shallow water make wading possible, particularly along the edges of the main channel. Wear a wading belt and watch for oyster shells, which are sharp. Wading is most productive during low tide when you can reach flats that are too shallow for boats.

What size redfish are common in Cotton Bayou?

Most redfish run 18 to 28 inches, which is solid table fare and good sport on light tackle. Larger fish (30+ inches) are present but less common. Spotted seatrout average 12 to 18 inches, with occasional fish pushing 20 inches or better.

Is Cotton Bayou good for beginners?

Yes. The shallow water and predictable fish behavior make it forgiving. Redfish and trout are not as selective as saltwater species in deeper systems, and the bayou's protected water is safer than the open Gulf for someone learning to handle a boat in salt water.