Wednesday, August 19
Redfish in Charlotte Harbor, Lemon Bay and Pine Island Sound
A redfish here is a structure fish and a tide fish, in that order. Learn to read an oyster bar and a falling tide and you will catch them all year, in water most people run their boat across.
Where the fish actually are
From Lemon Bay down through Gasparilla Sound, across Charlotte Harbor and into Matlacha Pass and Pine Island Sound, redfish live on five kinds of bottom. Mangrove shorelines, oyster bars, turtlegrass flats, sand holes, and docks. Everything else is water you run across to get to those.
Mangroves are shade, structure, and a food shelf. The roots hold crabs, snapping shrimp and small baitfish, and a red will lie right in the shadow line with his back nearly out of the water. Look for shorelines with something extra: a point, a cut behind an island, a fallen tree, a lump of oysters at the base of the bushes. A flat, featureless mile of mangrove is usually just mangroves.
Oyster bars are the best redfish structure we have and the most expensive to fish. Bull Bay and Turtle Bay behind Placida are a maze of mangrove islands flanked by bars, cuts and turtlegrass, and the same pattern repeats along the west wall of the Harbor and through the islands of Pine Island Sound. Fish the up-current edge, the down-current edge, and the cuts between bars. Do not fish the top of a bar with a bare treble.
A pothole is a bare sand depression inside a grass flat, usually a few feet across and a foot or two deeper than the grass around it. It shows up as a light patch in a dark field. Fish sit in them because they are ambush points and because they are the only place on the flat where a crab or a shrimp is out in the open with nowhere to hide. On a low tide a pothole can be the only water deep enough to hold a fish for a hundred yards. Many of the good ones in Bull Bay and Turtle Bay do not show on satellite imagery. You find them by poling and remembering.
Docks matter more than most people think, especially through the summer and up the Peace and Myakka. Reds sit on the shaded, up-current side of the pilings and eat what the tide brings past.
Tide is everything, and time of day is not
Charlotte Harbor is a microtidal estuary. The mean range at Port Boca Grande is under two feet, and the tide is mixed rather than cleanly twice-daily, so the shape of the day changes through the month and some days effectively give you one useful swing instead of two. That small range is why the tide stage matters so much here: a foot and a half of water is the difference between a flat you can pole and a flat that is bare mud.
Plan the session around the stage, not the clock. On a rising tide the fish push. Water floods the shallow grass and gets up into the mangrove roots, and reds move with it to eat things that were dry an hour before. Start on the outside edge as the water comes and follow it in, and by the top of the tide be working right in the bushes.
On a falling tide the flat drains and fish get pulled off it. They stack on the down-current side of bars, on the flat edges where the bottom drops, and into the mouths of the creeks and cuts. This is the easier tide to fish because it concentrates them.
The last of the falling tide at a creek mouth is the classic setup in this system, and it is worth understanding why. Everything that spent the high water back in the creek — shrimp, small crabs, glass minnows, little mullet — has to come out through one narrow lane, and it is coming out with the current, not against it. Reds sit below the mouth facing up into the flow and let the creek feed them. Several of the creeks on the west wall of the Harbor and a few in Turtle Bay set up exactly this way. Position down-current, stay off the mouth, and cast up into the flow so the bait comes to the fish the way real food does.
One more local note: wind moves water here as much as the moon does. A hard, sustained west or southwest wind can hold water on the flats well past the predicted low. A strong northeast wind ahead of a front can blow a flat dry early. Read the forecast alongside the tide table, not instead of it.
Tailing fish
Tailing is a redfish standing on his nose to root a crab or a shrimp out of the bottom. The head goes down, the body tips, and the tail breaks the surface and waves. On a bright day the tail flashes copper and the black spot is unmistakable. A tailing fish is a feeding fish with his eyes pointed at the bottom, which makes him both easy to approach and easy to miss with a cast — he cannot see much beyond a few feet in front of his nose.
Be honest about what tailing looks like on this coast. Most of what is written about tailing reds describes Carolina and Georgia flood tides over spartina, and that is not our fishery. Here it happens on the highest spring tides around the new and full moon, when water gets up into the shoreline grass and the mangrove roots, and on shallow turtlegrass flats where fish work the potholes and sand edges. You will more often see one or two tails at a time than a field of them.
Also learn the other signs. Wakes and pushes where a fish moves water ahead of himself in a foot of depth. Muds, where a stirred cloud on a clear flat marks something that just fed. Nervous bait fanning off a shoreline. And a slow, dark shape that does not move like a mullet.
The seasonal arc
Fall is the peak, and it is the schooling season. September through November, reds bunch up on the bars and flat edges — the east side of the Harbor, Matlacha Pass, Gasparilla Sound, northern Pine Island Sound and inside the passes. Schools run from a dozen fish to well over a hundred, and a moving school pushes visible water. One bad cast into the middle of a school ends it, so cast to the leading edge, never into the pack.
Summer means heat. Water on the shallow flats gets uncomfortable for the fish by midday, so work the first and last light on the shorelines and the shade — dock lines, the deep mangrove shadow, cuts with current — and lean on cut bait sitting still rather than lures you have to make fish chase. This is also the season to be quickest about releasing what you catch.
Winter is the most underrated fishing of the year here. Reds move to dark mud bottoms in protected backwater and up the creeks and rivers, because dark mud absorbs sunlight and can pick up several degrees over a few hours of midday sun while the open water stays cold. That is a real, mechanical reason to fish a mud pocket on the north side of a wind-protected bay at one in the afternoon instead of at dawn. Water clarity in winter is usually the best of the year, which makes it the sight-fishing season.
Published temperature figures vary. Local monitoring on Sanibel puts the preference at roughly 70 to 90 degrees, with fish relocating below about 70 and shutting off below about 52, while other sources report good winter fishing in the mid-50s to low 60s once fish have concentrated. Take the spread for what it is: they eat across a wide band, they get slow at the cold end, and they get stressed at the hot end.
Bull reds and the spawn
The big fish are not just big — they are old, and they are the breeders. Red drum in Florida can live past 40 years. They spend their first few years in the estuary, grow out of the 18-to-27-inch slot at roughly ages three to five, and then leave for coastal waters and mostly stay there. In other words, the fish inside the slot are juveniles and sub-adults. The ones over the slot are the spawning stock.
Every fall those adults gather in nearshore Gulf water in aggregations of hundreds to thousands of fish, within a few miles of the beaches and passes. FWC research documents them arriving in late August and staying through November, with a known aggregation site off Tampa Bay and a second one off Charlotte Harbor. Tagging work shows strong fidelity — fish come back to the same place year after year, and straying between the Tampa Bay and Charlotte Harbor sites runs low. Interestingly, that same research found fish born in Charlotte Harbor took far longer to recruit to the spawning grounds than Tampa Bay fish of the same size and age.
Practically, that means late summer and fall is when big fish show up around Boca Grande Pass, Stump Pass, the beaches and the passes into the Sound. Maturity by sex varies a little between sources, but males are generally mature around age three at roughly 27 to 30 inches and females around age four at roughly 32 to 36 inches. A 40-inch fish is a decade or more of production. That is the whole argument for the over-slot release rule, and it is a good argument.
Rod, reel, line and leader
- Flats and open grass: 7-foot medium spinning rod rated for 8 to 17 pound line, 2500 to 4000 size reel. Enough backbone to move a fish, soft enough to throw a 1/8 ounce jig.
- Around oysters, docks and heavy mangrove: 7-foot medium-heavy rated for 15 to 30 pound line, 4000 to 5500 reel. You are not playing the fish, you are turning his head before he gets into the roots.
- Braid: 10 to 15 pound on the flats outfit, 20 to 30 pound around structure. Thin diameter cuts wind and gives you distance on a spooky fish. Braid has no stretch, which is why the leader does the work.
- Leader: 24 to 48 inches of 20 to 30 pound fluorocarbon for general flats work. Step up to 30 to 40 pound around oysters and barnacled pilings. Fly rodders: 9-foot leader, 10 to 16 pound class, 25 to 30 pound bite tippet.
- Why fluorocarbon, honestly: leader shyness is part of it in clear winter water, but abrasion resistance is the bigger reason here. An oyster bar will shred mono and saw through braid. Assume every fish you hook near oysters will try to put you into them, and check the last two feet of leader after every fish and every snag.
- Fly: 9-foot 8-weight covers nearly everything inshore. Go to a 9 or 10 for wind and for bull reds on the beach.
- Connections: FG or double uni braid to leader, small enough to pass the guides. A bulky knot that hangs up on a cast into the mangroves costs fish.
Hooks, jigheads and rigging
- Circle hooks for natural bait, 2/0 to 4/0 depending on bait size. Non-offset, and non-stainless so a broken-off hook corrodes out. Do not swing on the bite — let the rod load and the hook finds the corner of the jaw. This is the single biggest thing you can do to keep released fish alive.
- Know this one before you rig: Florida prohibits multiple hooks in conjunction with live or dead natural bait for redfish. One single hook on bait, period. No stinger rig on a live pinfish, no treble under a cut mullet chunk. Trebles are legal on artificial lures.
- Weedless worm hooks, 3/0 to 5/0, for soft plastics on grass and in the mangrove roots. Rig the plastic straight and the hook point buried just under the skin so it pops through on the hookset. A crooked plastic spins on the retrieve and reds will not touch it.
- Jigheads: 1/8 ounce for shallow grass and dropping into potholes — you want a slow fall so the bait hangs in the strike zone. 1/4 to 3/8 ounce when there is real current in a cut or creek mouth, or when you are fishing deeper edges and dock pilings.
- Popping cork: 18 to 24 inches of leader under the cork is standard, going to three or four feet in deeper water. Under 1/8 ounce jighead in one to two feet, 1/4 ounce in three to five. Over grass, set the length so the bait rides just above the tops and rig it weedless so it darts clear when you pop.
- Weighted swimbait hooks (1/16 to 1/8 ounce) are the underrated option — a weedless plastic that still sinks, for skipping under mangroves and docks.
- Carry a dehooker and long pliers. In shallow water, in the boat, in reach.
Bait
- Live shrimp: the bait that always works. Free-lined on a shoreline with current, under a popping cork over grass, or on the bottom on a light Carolina rig at a creek mouth. Hook through the horn, avoiding the dark spot, or tail-hook it for a longer cast.
- Pinfish: the summer bait around docks and deeper mangrove edges. Tough, lively, and they call fish in. Live-line them on a 3/0 circle hook or pin them down with a small egg sinker in current.
- Cut ladyfish and cut mullet: this is how you catch a big red sitting still. Oily, bloody, and it works exactly when lures do not — hot summer afternoons, dirty water after a blow, cold winter days when nothing wants to chase. Fish a chunk on the bottom on the down-current side of a bar or at a creek mouth and leave it there. Ladyfish are easy to catch on a small jig and are as good a redfish bait as exists here.
- Crabs: small blue crabs or fiddlers, quartered or whole with the points clipped, are the natural food of a tailing fish. Fish them dead-still on the bottom in front of a fish that is rooting. This is a sight-fishing bait, not a soak.
- Whitebait (scaled sardines) when you can catch them: chum a school up on a flat edge and pitch live baits into the froth. This is the fall school pattern in Pine Island Sound.
- Keep bait fresh and keep it moving. Warm livewell water kills shrimp fast in August.
Artificials
- Weedless gold spoon: the classic, and still the best searching lure on this coast. Quarter-ounce for skinny grass, half-ounce when you need distance or depth. Steady retrieve just fast enough to keep it above the grass, with the wobble doing the work. Gold in stained water and on gray days, silver in clear water and bright sun. Put a small swivel a foot or two up the leader or it will twist your line into a mess.
- Soft plastic paddletails on a jighead, 3 to 4 inches: the workhorse. Slow-roll it over grass, hop it through potholes. Root beer, new penny, and gold-flake patterns match the tannic water in the back country; white and chartreuse when it is dirty.
- Soft plastic jerkbaits rigged weedless on a 4/0 worm hook: the mangrove and oyster bar lure. No exposed hook means you can throw it into places you would never put a jig. Twitch, pause, let it fall — most eats come on the fall.
- Topwater in low light: walking baits and small poppers at first light, last light, and on a high tide over shallow grass. Reds miss topwaters constantly because their mouth is under their nose. Do not set on the blowup; keep walking it until the rod loads.
- Popping cork with a plastic shrimp under it: the highest-percentage rig on the Harbor's grass flats when you cannot see fish. The chug imitates a feeding red and pulls fish from thirty feet away.
- Flies: a weighted crab or shrimp pattern for tailing fish, a chartreuse-and-white Clouser for the flat edges, and a gurgler for the mangrove line.
Working the water
Shallow-water redfishing is a stalking game, and most people blow more fish than they catch by being loud. Kill the outboard well outside the flat and pole in, or run the trolling motor on a low, constant setting rather than in bursts. The on-off surge is what spooks fish, not the steady hum. Hull slap against a topside chine will empty a flat ahead of you, so approach with the wind behind you or at an angle. And do not drop the Power-Pole in six inches of water on top of the fish.
Lead a moving fish. Put the bait two to four feet ahead of him and on his line of travel, then let it sit or start it moving just as he closes. Casting at a fish, or worse behind him, spooks more reds than a boat does. If he is head-down and rooting, land it closer — he cannot see far. If he is cruising with his head up, give him more room.
On a mangrove edge, work parallel to the shoreline, not perpendicular. Cast ahead of the boat and bring the lure along the root line so it stays in the strike zone the whole retrieve, rather than crossing it in two feet. Get the bait right against the bushes; the difference between six inches off the roots and three feet off the roots is the whole game.
On an oyster bar, keep the rig above the shells. Rig weedless, use the lightest head that will still get down, and swim it rather than hopping it along the bottom. If you are fishing bait, a slip cork keeps the hook off the shells and lets you cover the bar without leaving half your tackle box on it. When a fish runs into the bar, do not lock down — a lot of the time you can lead him back out with steady side pressure rather than pulling straight and grinding the leader across shell.
Sight fishing comes down to seeing before being seen. Get sun and wind at your back, look through the water and not at it, and scan out at 40 to 60 feet rather than at the boat. Polarized lenses work by blocking light reflected horizontally off the water surface, which is what the glare is — they are not magnifiers. Copper, amber and brown tints add contrast and are the right choice on a bright flat; rose or vermillion is better on gray days and in early and late light when copper goes too dark. A hat with a dark underbrim helps as much as the glasses.
The rules are different every fifty miles
There is no such thing as "the Florida redfish limit" anymore. In 2022 FWC replaced statewide management with nine regional zones, and it reviews each one every year and can change it. The slot is the same everywhere harvest is allowed, but the vessel limit is not, and one entire region allows no harvest at all. Somebody who learned the rule fishing Tampa Bay and drives over to New Smyrna is breaking the law without knowing it.
This is recent history, not ancient history. After the severe 2017 to 2019 red tide, FWC put temporary catch-and-release-only rules on redfish and snook from Pasco County south to Gordon Pass in Collier County. Those expired August 31, 2022, and the regional system started the next day. Whatever you remember from a few seasons back may not be current.
- Slot, in every region that allows harvest: not less than 18 inches and not more than 27 inches total length.
- Panhandle, Big Bend, Northeast: one fish per person, four fish per vessel.
- Tampa Bay, Sarasota Bay, Charlotte Harbor, Southwest, Southeast: one fish per person, two fish per vessel.
- Indian River Lagoon: catch-and-release only, no harvest at all. That region runs from the Lytle Avenue / South Causeway in New Smyrna Beach south to the Martin / Palm Beach county line.
- Off-the-water transport limit: four fish per person.
What applies here, and the line people get wrong
Everything in this guide sits in one zone. FWC's Charlotte Harbor management region runs from near the Venice Municipal Airport south to near Vanderbilt Beach Road in Collier County. Lemon Bay, Gasparilla Sound, Charlotte Harbor proper, Matlacha Pass, Pine Island Sound and San Carlos Bay are all inside it.
Pay attention to the north end of that line, because writers get it wrong constantly. Englewood, Manasota Key, Stump Pass, Placida and Boca Grande all sit south of the Venice Municipal Airport, which puts them in the Charlotte Harbor region, not Sarasota Bay. If you launch at Stump Pass and someone tells you you are fishing Sarasota Bay rules, they are wrong. As it happens the bag and vessel numbers are the same in both regions right now, but they are separate zones reviewed separately, and that can stop being true after any annual review.
As of August 2026, per FWC, in the Charlotte Harbor region: the season is open year-round, the slot is 18 to 27 inches total length, the daily bag is one fish per person, and the vessel limit is two fish. Redfish must stay whole until landed ashore, and captains and crew may not keep a bag limit on a for-hire trip.
Gear is hook and line and cast nets. Spearing, gigging, bowfishing and snatch hooking are all prohibited, and so is the use of multiple hooks in conjunction with live or dead natural bait. That last one is a real tackle rule, not a technicality: no treble-hooked rig with a chunk of cut mullet.
Those numbers were read off myfwc.com in August 2026. The honest advice is still not to take them from a website, including this one. Open the FWC page below or the Fish Rules app on the water before you put a fish in the box.
Handling and release
- Every fish over 27 inches goes back. That is the law and it is also the right call — those are the spawners.
- Keep a big fish in the water. If it has to come out, support it horizontally with two wet hands, one under the head and one under the belly. Never hold a heavy red vertically by the jaw or by the gill plate. Their organs are not built to hang.
- Wet hands, no towels, no dry decks. The slime coat is the fish's immune barrier. Do not drag a fish over a gunnel, a dock board or an oyster bar.
- Rubber or knotless mesh nets only. Nylon mesh strips slime and wrecks fins.
- Circle hooks, non-offset and non-stainless, plus a dehooker. Most released redfish that die, die from a deep hook or from too long out of the water, not from the fight.
- Warm water holds less oxygen and a summer fish is already stressed. In August, unhook it in the water and let it go. If you want the photo, have the camera ready before the fish comes up, and count to ten, not to sixty.
- Revive a tired fish by holding it upright and moving it forward through the water so a steady flow goes over the gills — forward, not back and forth. From a stationary spot, use a slow figure-eight. Let go when it kicks out of your hands on its own.