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Tom Thumb Marathon Offshore Bull & Cow Dolphin Tournament

By Breakpoint Team

When: Usually April
Host port: Marathon
Organizer: Two Conchs Bait & Tackle (contact Capt. Jack Carlson)
Species: Mahi-mahi, Wahoo, Blackfin tuna, Tripletail
Format: Two fishing days with weigh-ins after each day; scored on largest combined bull and cow dolphin weight; side awards for largest bull, largest cow, wahoo, blackfin tuna, tripletail, top female angler and top junior angler; teams of up to six anglers

A two-day offshore dolphin tournament out of Two Conchs in Marathon, Florida Keys, that scores the largest combined bull and cow dolphin weight and awards side prizes for other species.

Organizer's site Official results

Nearby ports

More tournaments in Florida

Usually April
Marathon Premier Sailfish Tournament
Marathon · Run by Directed by Katie Lewis (per 2025 news report); proceeds benefit Mission Fishin'
Species: Sailfish
Organizer's site for Marathon Premier Sailfish Tournament (opens in a new tab)
Usually May
Mother's Day Dolphin Tournament
Marathon
Species: Mahi-mahi
Organizer's site for Mother's Day Dolphin Tournament (opens in a new tab)
Usually June
Father's Day Dolphin Derby
Marathon · Run by Two Conchs Marina
Species: Mahi-mahi
Organizer's site for Father's Day Dolphin Derby (opens in a new tab)
Usually June
Lower Keys Chamber of Commerce Dolphin Tournament
Big Pine Key · about 15 miles away · Run by Lower Keys Chamber of Commerce
Species: Mahi-mahi
Organizer's site for Lower Keys Chamber of Commerce Dolphin Tournament (opens in a new tab)
Usually April
Cudjoe Gardens Dolphin & Tail Classic
Cudjoe Gardens · about 25 miles away · Run by Cudjoe Gardens Property Owners Association
Species: Mahi-mahiYellowtail snapper
Organizer's site for Cudjoe Gardens Dolphin & Tail Classic (opens in a new tab)
Usually January
Cheeca Lodge Presidential Sailfish Tournament
Islamorada · about 30 miles away · Run by Cheeca Lodge & Spa
Species: Sailfish
Organizer's site for Cheeca Lodge Presidential Sailfish Tournament (opens in a new tab)

All Florida tournaments