Head 10–20 miles off Marathon for a six-hour day of trolling in depths over 1,500 feet. Expect fast-action pelagics — mahi, tuna, wahoo, and the occasional sailfish — and practical tips for preparing for an offshore morning.
More ways to explore the area's outdoor wonders
The deck rocks into a rhythm as the marina recedes and the Atlantic opens up — blue beyond the horizon, wind carving white lines across the water. By midmorning the boat is trolling 10–20 miles offshore, where the continental shelf drops and the water reaches depths over 1,500 feet. Lines click, rods bend, and the ocean dares you to pick a fight with Mahi Mahi, tuna, wahoo, or an occasional sailfish.
Difficulty
moderate
Duration
6 hours
Fitness Level
Moderate stamina and the ability to stand and brace on a moving deck for several hours; some lifting when a fish hits.
Wildlife
History
Marathon evolved from wreck salvaging and sponging into a sportfishing hub; local captains pass down knowledge of seasonal runs and offshore marks.
Conservation
Practice catch-and-release for billfish and adhere to size and bag limits; avoid anchoring on reefs and ask the captain about lionfish removal opportunities.
Reserve your spot on the 6hr Offshore Big Game Fishing Adventure today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Treat seasickness early
Take anti-nausea medication at least 30–60 minutes before departure and choose a central seat near the boat’s centerline for less motion.
Sun protection is non-negotiable
Use a wide-brim hat, high-SPF sunscreen, and UV-blocking polarized sunglasses to reduce glare and protect skin during long exposure.
Secure footwear and gear
Wear closed, non-slip deck shoes and stow phones and wallets in a dry bag or zipped pocket to keep belongings safe on a rocking deck.
Bring small cash and ID
Carry ID for boarding and a small amount of cash for tips or incidental services like fish cleaning or mounting arrangements.
Polarized sunglasses
Cuts glare for spotting fish and protects eyes on reflective water.
Non-slip deck shoes
Provides traction on wet, rolling decks and protects toes during hauling.
High-SPF sunscreen & lip balm
Protects skin from intense tropical sun over several hours offshore.
summer
Light waterproof windbreaker
Blocks spray and cooling winds, especially on early-season or winter trips.
winter