What You'll Find at Big Bay Creek

Big Bay Creek is a tidal creek system that drains into St. Helena Sound, about 15 minutes north of Edisto Beach proper. The creek itself is narrow and winding—mostly 30 to 60 feet across—with marsh banks on both sides and a sandy bottom in the main channel. Water depth ranges from 2 to 8 feet depending on tide, and the creek connects to several smaller tributaries that hold fish on the falling tide.

Redfish and spotted seatrout are the primary targets here. Redfish move into the shallow marsh edges during high tide to feed, then funnel back through the main channel as the tide drops. Seatrout hold in the deeper holes and along the channel edges year-round, but they're most active in spring and fall. You'll also encounter flounder, black drum, and occasional tarpon in summer.

Key Takeaways

  • Big Bay Creek is a narrow tidal creek best fished on the falling tide, when redfish move from the shallows back into the main channel.
  • Access is limited to boat launch at Edisto Marina or private property; there is no public bank access along the creek itself.
  • Redfish respond to live shrimp or mullet under a popping cork; seatrout prefer small soft plastics or live baitfish worked along the channel edges.
  • Spring (March through May) and fall (September through November) are peak seasons; summer brings heat and lower water clarity, but tarpon are possible.

How to Reach Big Bay Creek by Boat

The only practical public access is Edisto Marina, located on Edisto Island at 3702 Docksite Road. The marina has a concrete boat ramp, fuel, and tackle. From the ramp, head north into Edisto River, then follow the markers into St. Helena Sound. Big Bay Creek is on the western side of the sound, roughly 3 to 4 miles from the marina. The run takes 10 to 15 minutes in a center console or bay boat.

If you don't own a boat, several charter captains based at Edisto Marina run trips into Big Bay Creek and the surrounding sound. A half-day charter typically costs between $400 and $600 for two anglers, though prices vary by captain and season. Captains know the tide schedule and the exact spots where fish stack up, which saves time if you're new to the creek.

Tides matter more here than anywhere else on Edisto. The creek is shallow, and a low tide can leave you stuck in the channel or unable to reach the marsh edges where redfish feed. Check the tide chart before you launch. Most anglers prefer to fish the last two hours of the incoming tide and the first three hours of the falling tide.

Redfish Patterns in the Shallows and Channel

Redfish in Big Bay Creek follow a predictable daily rhythm tied to tide. On the rising tide, they move into the shallow marsh flats—water 1 to 3 feet deep—to hunt for crabs and shrimp. They're aggressive during this window, but the shallows are also tight and require a quiet approach. Pole or drift slowly, cast ahead of the fish, and work a live shrimp under a popping cork with short, deliberate pops.

As the tide peaks and begins to fall, redfish abandon the flats and move back toward the main channel. This is when the bite often intensifies. Fish stack up in the deeper holes and along the channel ledges, waiting for baitfish to wash past. A live mullet on a simple rig—no cork—works well here, or cast small topwater plugs and soft plastics along the edges. The falling tide concentrates fish, so you don't have to cover as much water.

Live shrimp is the most reliable bait. You can catch your own with a cast net near the marina or buy them fresh at Edisto Marina's tackle shop. Mullet works when shrimp are hard to find, and it attracts larger redfish. Artificial lures—especially 3- to 4-inch soft plastics in natural colors (tan, pearl, chartreuse)—are effective if you prefer casting and retrieving.

Spotted Seatrout and Other Species

Seatrout don't move as dramatically with the tide as redfish do. They hold in the deeper sections of the main channel and around the mouths of tributary creeks year-round. Spring and fall are peak seasons because water temperatures are moderate and baitfish are abundant. In summer, seatrout move to deeper water or become less active during midday heat.

Fish for seatrout with small soft plastics (2 to 3 inches) or live shrimp worked slowly along the channel bottom. Seatrout are more finicky than redfish and often require a slower, more deliberate presentation. Early morning and late afternoon are usually more productive than midday. A 1/8-ounce jig head works well in the 3- to 5-foot depths typical of the main channel.

Black drum show up in spring and can reach 20 pounds or more. They feed on hard-shelled prey—crabs and oysters—so live fiddler crabs or cut mullet are your best bet. Flounder are present year-round in the deeper holes and respond to live baitfish or small soft plastics dragged along the bottom. Tarpon arrive in summer (June through August) and are a bonus catch; they're powerful and require heavy tackle, but a few are hooked each season in the sound.

Seasonal Timing and Water Conditions

Spring (March through May) is the most consistent season. Water temperatures climb from the 50s to the 70s, baitfish move back into the creeks, and both redfish and seatrout feed actively. Mullet runs occur in April and May, which can trigger aggressive feeding. Expect calm weather and moderate tides—ideal conditions for wading or poling shallow water.

Summer (June through August) brings heat, higher water clarity, and lower dissolved oxygen in the deeper holes. Midday fishing is slow; early morning and dusk are best. Tarpon are a possibility, and some large redfish move to deeper water in the sound. Water can get stained after heavy rain, which sometimes improves the bite.

Fall (September through November) rivals spring in quality. Water cools from the 80s back into the 60s and 50s, and both redfish and seatrout feed heavily in preparation for winter. Mullet runs occur again in October and November. Winds can pick up in November, making the sound rougher, but the creek itself remains fishable.

Winter (December through February) is slow. Water temperatures drop into the 40s and 50s, and fish move to deeper water or become lethargic. Some anglers still fish, targeting the deeper holes in the main channel, but success is inconsistent. Late winter (February) can see a brief uptick as water begins to warm.

Tackle and Gear Recommendations

A 6- to 7-foot medium-power spinning rod with 15- to 20-pound braided line is ideal for Big Bay Creek. Braid casts farther than monofilament and is more sensitive in the shallow water. A 12- to 15-pound fluorocarbon leader (2 to 3 feet) reduces visibility without sacrificing strength. For redfish, a simple popping cork rig with a 1/0 to 2/0 circle hook works well. For seatrout, a 1/8-ounce jig head with a soft plastic is standard.

Bring polarized sunglasses—they're essential for spotting tailing redfish in the shallows. A push pole or electric trolling motor helps you approach fish quietly. If you're wading, wear a belt and keep your center of gravity low; the bottom is soft mud in places and can be slippery. A small cooler with ice keeps bait fresh and holds any fish you decide to keep.

Topwater plugs (1/4 to 1/2 ounce) are fun and effective early and late in the day. Soft plastics in 3- to 4-inch sizes cover more water than live bait and are less fussy to manage. A few small spoons (1/4 to 1/2 ounce) can trigger strikes when other lures slow down.

Rules, Regulations, and What to Know Before You Go

South Carolina requires a saltwater fishing license for anyone 16 and older. You can purchase a 3-day, 14-day, or annual license through the South Carolina Department of Natural Resources website or at most tackle shops. Charter captains include the license in their fee, so you don't need to buy one separately if you're fishing with a guide.

Redfish have a slot limit: you may keep one fish between 18 and 23 inches. Seatrout have a 12-inch minimum with a 15-fish daily limit. Black drum have a 12-inch minimum and a 5-fish daily limit. Tarpon are catch-and-release only. Check the current regulations before you fish; rules can change, and the South Carolina DNR website has the most up-to-date information.

Big Bay Creek is part of the ACE Basin (Ashepoo, Combahee, Edisto), a protected estuary. Respect the marsh, don't litter, and avoid running over shallow grass beds. The creek is relatively quiet and underfished compared to other Edisto waters, which means less pressure on the fish and a more peaceful day on the water.

Frequently Asked Questions

What's the best time of day to fish Big Bay Creek?

Early morning (sunrise to 9 a.m.) and late afternoon (4 p.m. to sunset) are most productive. Midday fishing is slower, especially in summer. The falling tide is more important than time of day—fish concentrate in the channel as water drops, so a falling tide in the afternoon can be better than a rising tide in the morning.

Can I wade Big Bay Creek, or do I need a boat?

Wading is possible in the shallower sections and marsh flats, but you'll cover more water and find more fish from a boat. If you wade, start at high tide so you have water depth, and plan to leave before the tide drops too far. A shallow-draft skiff or kayak works well for accessing the narrow tributaries.

What should I do if I get stuck on a sandbar?

Sandbars shift with storms and tides. If you run aground, turn off the engine immediately and pole or push off. If you can't free the boat, wait for the tide to rise—it usually takes 30 minutes to an hour. Avoid gunning the engine, which can damage the prop and bury the boat deeper in the sand.

Are there any hazards I should watch for?

Oyster beds line the creek edges and can damage a prop if you run over them. Stay in the main channel and watch for exposed shells at low tide. Alligators are present but rarely aggressive toward anglers. Stingrays are common in the shallows—shuffle your feet when wading to avoid stepping on one.

What if the tide is wrong when I want to fish?

Fish Big Bay Creek on whatever tide you can make, but expect slower results. A falling tide is ideal, but redfish will still bite on a rising tide if you focus on the marsh edges. Seatrout in the main channel are less tide-dependent than redfish, so they're a better target if the tide isn't optimal.