If you’re looking for the best destinations for deep sea fishing, the world offers incredible locations where anglers can chase trophy fish, enjoy stunning scenery, and experience unforgettable adventures. From the turquoise waters of the Caribbean to the deep Pacific and Atlantic Oceans, these prime fishing spots are perfect for both seasoned anglers and first-time deep sea adventurers.

Providenciales, Turks & Caicos

Providenciales (Provo) tops the list for good reason. Just minutes from shore, these waters feature some of the Caribbean’s steepest underwater drop-offs, teeming with marlin, sailfish, mahi-mahi, wahoo, and tuna. Private charters, like those offered by Grand Slam Fishing Charters, maximize your time on the water with expert local captains who know exactly where the bite is. The island offers world-class sportfishing year-round, making it an unbeatable destination for serious anglers who want big-game excitement and crystal-clear waters.

Outfitter recommendation: Grand Slam Fishing Charters

Florida Keys, USA

The Florida Keys are a classic destination for offshore fishing enthusiasts. Stretching between the Gulf of Mexico and the Atlantic Ocean, these islands provide access to a wide variety of species, including sailfish, tarpon, mahi-mahi, tuna, wahoo, swordfish, and grouper. From Key West to Islamorada and Marathon, anglers enjoy accessible charters, a lively local fishing culture, and consistently productive waters almost any time of the year.

Outfitter recommendation: Key West Angling

Cabo San Lucas, Mexico

Cabo San Lucas has earned its reputation as the “Marlin Capital of the World.” The deep waters off the tip of the Baja Peninsula are ideal for catching blue and striped marlin, along with dorado (mahi-mahi), sailfish, tuna, and wahoo. Cabo’s combination of massive fish, modern marina facilities, and vibrant local scene makes it a favorite for trophy-seekers and competitive anglers alike.

Outfitter recommendation: The Cabo Fleet

Kona, Hawaii

For those chasing monster blue marlin, Kona is bucket-list territory. The calm Pacific waters, volcanic drop-offs, and deep ocean currents create near-perfect conditions to catch 500+ lb. marlin, along with ono (wahoo), mahi-mahi, tuna, and spearfish. With glassy seas most of the year, Kona provides reliable fishing conditions and breathtaking Hawaiian scenery for an unforgettable adventure.

Outfitter recommendation: Hooked on Kona

Cairns, Australia

Cairns offers some of the largest black marlin in the world. The Coral Sea and Great Barrier Reef provide deep, pristine waters where trophy black marlin, yellowfin tuna, mahi-mahi, and giant trevally abound. Peak season from September to December is the perfect time to experience Australia’s most iconic big-game fishing destination.

Outfitter recommendation: Fishing Cairns

Costa Rica (Quepos & Los Sueños)

Costa Rica’s Pacific coast, especially around Quepos and Los Sueños, is known for its incredible sailfish population. Anglers can also catch blue marlin, mahi-mahi, wahoo, and tuna in these tropical waters. With modern marinas, experienced charter crews, and strong catch-and-release programs, Costa Rica combines adventure with sustainable fishing practices.

Outfitter recommendation: Blue Horizon Costa Rica

La Paz, Baja California Sur, Mexico

While Cabo San Lucas is known for its marlin, La Paz offers some of the best all-around deep sea fishing in the Sea of Cortez. Anglers can find marlin, sailfish, dorado, tuna, and wahoo, with calmer waters and less crowded conditions than Cabo. La Paz also provides access to secluded fishing grounds, making it a perfect option for a more private deep sea adventure.

Outfitter recommendation: Baja Anglers