Major North Florida port — Mayport Basin and the St. Johns River mouth host fall bull reds, winter sheepshead on the jetties, and a charter fleet running kings and Snapper Banks bottom fish offshore.
Part of the Southeast Atlantic region.
Biting right now — 12 species are worth targeting in September here, and the 5 marked Peak are at their best right now.
Tap any species for how to identify it, when it runs and what to throw. This is when the fish are active here — check the regulations below before you keep anything.
The St. Johns entrance at Mayport is a converging-jetty ship channel carrying 40 to 50 feet in from the ocean — easy water most days, but the current between the jetties runs 2 knots on the flood and 4 on the ebb, and a blow from anywhere north through south sets a dangerous cross-current over the jetty tips.
The lower St. Johns, Sisters Creek and the Fort George marshes give miles of inshore water; offshore, fish havens scatter east of the river out to 31 miles, and the Gulf Stream's west wall wanders some 60 nm off the beach.
The Nine Mile Reef site and Montgomery Reef's culvert field lie about 10 miles off the jetties, the Greater Jacksonville Kingfish Reef sits about 25 nm out, and charted fish havens scatter east of the river as far as 31 miles.
Jim King Park at Sisters Creek is the flagship launch — a big multi-lane city ramp on the ICW just inside the jetties — with the quarter-mile Jacksonville Beach pier covering foot anglers.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Redfish | ||||||||||||
| Spotted Seatrout | ||||||||||||
| Flounder | ||||||||||||
| Sheepshead | ||||||||||||
| Black Drum | ||||||||||||
| Tarpon | ||||||||||||
| Tripletail |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Spanish Mackerel | ||||||||||||
| King Mackerel | ||||||||||||
| Cobia | ||||||||||||
| Bonito / FA | ||||||||||||
| Sharks |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wahoo | ||||||||||||
| Blackfin Tuna | ||||||||||||
| Mahi (Dolphin) | ||||||||||||
| Sailfish | ||||||||||||
| Marlin | ||||||||||||
| Red Snapper* | ||||||||||||
| Vermilion / B-sea |
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Typical: 18–30 in, 3–10 lb; bulls run well over 40 in
Tell it apart: The black spot(s) on the tail base plus the absence of chin barbels separate redfish from the barbeled, bar-sided black drum.
Easily confused with: Black Drum
Typical: 14–20 in, 1–3 lb
Tell it apart: Loose black spots that extend onto the fins and tail, plus two large canine teeth, confirm a seatrout; redfish instead has no canines and one or more spots only at the tail base.
Easily confused with: Redfish
Typical: 12–20 in, 1–3 lb
Tell it apart: A flat fish with both eyes on the same side, lying on its blind white underside, is unmistakably a flounder; no other regional gamefish is laterally compressed onto one side.
Typical: 14–18 in, 2–5 lb
Tell it apart: Forward-set human-like incisor teeth and the absence of chin barbels distinguish sheepshead from the similarly barred but barbeled, blunt-toothed black drum.
Easily confused with: Black Drum
Typical: 14–30 in, 2–15 lb
Tell it apart: Chin barbels under the lower jaw are present on black drum and absent on both redfish and sheepshead; black drum also lacks the redfish tail spot and the sheepshead's incisor teeth.
Easily confused with: Redfish, Sheepshead
Typical: 48–72 in, 60–130 lb
Tell it apart: Huge silver-dollar scales and a long trailing filament off the back of the dorsal fin make the tarpon unmistakable.
Typical: 18–26 in, 5–15 lb
Tell it apart: Rounded dorsal and anal fins positioned far back near the tail create the trademark 'three-tail' silhouette that names the fish.
Typical: 14–22 in, 1–3 lb
Tell it apart: Golden-yellow oval spots plus a black front patch on the first dorsal fin and an evenly sloping lateral line separate Spanish from the spot-poor king mackerel.
Easily confused with: King Mackerel, Bonito / FA
Typical: 24–40 in, 8–20 lb
Tell it apart: The sharp downward dip in the lateral line under the second dorsal, plus a pale (not black-fronted) first dorsal fin, marks a king mackerel.
Easily confused with: Spanish Mackerel, Wahoo
Typical: 30–45 in, 15–40 lb
Tell it apart: A brown lateral stripe on a flat-headed, remora-like body with low isolated dorsal spines identifies cobia (often mistaken at a glance for a shark, which has gill slits and rough denticle skin).
Easily confused with: Sharks
Typical: 20–32 in, 6–18 lb
Tell it apart: Back stripes/wavy marks over a largely clean belly (with little tunny's fingerprint spots) separate bonito/false albacore from the round-yellow-spotted Spanish mackerel and the deeper-bodied blackfin tuna.
Easily confused with: Spanish Mackerel, Blackfin Tuna
Typical: 2.5–6 ft, 10–90 lb
Tell it apart: Open gill slits and rough denticle skin confirm a shark; common SE species split by snout/teeth: blacktip (black fin tips), bonnethead (shovel head), Atlantic sharpnose (white-spotted with white fin edges).
Easily confused with: Cobia
Typical: 40–60 in, 20–50 lb
Tell it apart: Vivid electric-blue vertical bars and a long razor-toothed beak separate wahoo from the unbarred, spot-free king mackerel.
Easily confused with: King Mackerel
Typical: 20–28 in, 5–20 lb
Tell it apart: Dark finlets lacking bright yellow, on a deep football body with no back stripes, separate blackfin from the back-striped, fingerprint-spotted bonito/false albacore.
Easily confused with: Bonito / FA
Typical: 24–40 in, 5–25 lb
Tell it apart: A single long dorsal fin spanning almost the whole back over a brilliant green-and-gold body is diagnostic of mahi.
Typical: 6–7 ft, 30–50 lb
Tell it apart: The enormous sail-shaped dorsal fin, taller than the body's depth, instantly separates sailfish from the lower-finned marlins (keel count is shared by both, so use the fin).
Easily confused with: Marlin
Typical: 8–11 ft, 150–400 lb
Tell it apart: A pointed first dorsal fin shorter than the body is deep marks a marlin, versus the sailfish's towering full-length sail.
Easily confused with: Sailfish
Typical: 16–28 in, 3–12 lb
Tell it apart: A red eye, angular anal fin, canine teeth and a barely forked tail separate the larger red snapper from the small-mouthed, deeply-forked-tailed vermilion.
Easily confused with: Vermilion / B-sea
Typical: 12–18 in, 1–3 lb
Tell it apart: A proportionally large eye over a tiny mouth, a rounded anal fin and a deeply forked tail flag a vermilion (beeliner) versus the canine-toothed, red-eyed, barely-forked red snapper.
Easily confused with: Red Snapper*
Big 6–9 ft tide swings drive the bite — fish the last of the falling and first of the rising, and watch wind-against-tide at the inlets.
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