Offshore · Offshore

409 Hump

A pinnacle south of Islamorada that tops out at 409 ft in about 600 ft of water, pushing bait to the surface when the current runs. Best from May to July; about 19 miles from the islands.

Skill: IntermediateCharter a boatBring your own boat

How to fish it

Free-line cigar minnows up-current of the marks for blackfin; troll the edges for mahi and wahoo. Deep-drop the slopes for vermilion and queen snapper on the way home.

See today's tides and currents on the conditions page, or open this spot on the map.

What you can catch here

  • Blackfin tuna

    No minimum size; 2 per person or 10 per boat per day, whichever is greater; open year-round. No federal HMS permit is needed for blackfin in state or federal waters.
    1. January: good
    2. February: good
    3. March: peak
    4. April: peak
    5. May: peak
    6. June: good
    7. July: slow
    8. August: slow
    9. September: slow
    10. October: good
    11. November: good
    12. December: good
    Bait
    Live pilchards or threadfin herring free-lined in a live-bait chum slick; chunks of bonito or sardine in a chunk line
    Tackle
    7 ft rod with a 6000–8000 spinning reel or a 20–30 lb conventional, 30–50 lb braid
    Rig
    8–10 ft of 25–40 lb fluorocarbon (blackfin are leader-shy); small 2/0–4/0 circle or live-bait hook
  • Mahi-mahi (dolphin)

    20" fork length minimum; 5 per person or 30 per private boat per day, whichever is less (charters: 5 per paying customer, none for captain and crew); open year-round.
    1. January: slow
    2. February: slow
    3. March: good
    4. April: peak
    5. May: peak
    6. June: peak
    7. July: good
    8. August: good
    9. September: slow
    10. October: slow
    11. November: slow
    12. December: slow
    Bait
    Rigged ballyhoo for trolling; live pilchards or chunks of ballyhoo and squid to hold a school at the boat
    Tackle
    20–30 lb conventional for trolling; 7 ft medium spinning rod, 4000–5000 reel and 20 lb line to pitch baits
    Rig
    6–8 ft of 40–60 lb mono or fluorocarbon (80 lb for big bulls); 6/0–7/0 hook on trolled ballyhoo, 3/0–5/0 on pitch baits
  • Wahoo

    No minimum size; 2 per person per day; open year-round. The federal limit is the same (landed with head and fins intact).
    1. January: peak
    2. February: good
    3. March: slow
    4. April: slow
    5. May: slow
    6. June: slow
    7. July: slow
    8. August: slow
    9. September: good
    10. October: peak
    11. November: peak
    12. December: peak
    Bait
    Rigged ballyhoo behind a planer or under a skirt; live blue runners slow-trolled along the edge
    Tackle
    50–80 lb class conventional for high-speed trolling; 30 lb class for ballyhoo
    Rig
    2–3 ft of #9–#12 single-strand wire or cable (their teeth cut mono); 7/0–9/0 hooks; an in-line weight or planer to get the bait down
  • Sailfish

    63" lower-jaw fork length minimum; 1 billfish per person per day; open year-round. Almost always released: a fish you mean to release stays in the water in federal waters, and any landed billfish must be reported to NOAA within 24 hours.
    1. January: peak
    2. February: peak
    3. March: peak
    4. April: good
    5. May: slow
    6. June: slow
    7. July: slow
    8. August: slow
    9. September: slow
    10. October: good
    11. November: peak
    12. December: peak
    Bait
    Live goggle-eyes, pilchards, threadfin herring or ballyhoo, fished from a kite or slow-trolled
    Tackle
    7 ft rod with a 12–20 lb class conventional or 4000–6000 spinning reel, 20 lb mono
    Rig
    15–20 ft of 40–50 lb fluorocarbon; 4/0–7/0 non-offset circle hook sized to the bait, bridled through the nose
  • Greater amberjack

    28" fork length minimum; 1 per person per day; closed in April; the same in federal waters. Reef fish gear rules apply.
    1. January: peak
    2. February: peak
    3. March: peak
    4. April: good
    5. May: peak
    6. June: good
    7. July: good
    8. August: good
    9. September: good
    10. October: good
    11. November: good
    12. December: peak
    Bait
    Live blue runners, goggle-eyes, pinfish or grunts dropped down to the wreck
    Tackle
    Heavy 50–80 lb conventional or jigging outfit, 65–80 lb braid
    Rig
    6 ft of 80–100 lb fluorocarbon; 7/0–9/0 non-stainless circle hook with live bait; 8–16 oz sinker

Access

Fished by
Charter a boat; Bring your own boat
Skill
Intermediate
Position
About 24.5975, -80.5910 (Published magazine waypoint (Salt Water Sportsman, 24° 35.853' N, 80° 35.459' W); not an official chart position).
  • Federal waters: FWC and NOAA Atlantic rules apply.
  • A long run: file a float plan and carry VHF and an EPIRB or PLB.

Not for navigation. Positions are approximate. Use official charts, watch your depth and respect private property and posted signs.

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