Tuna Tail Charters Deep Sea Fishing

Bass & Bluefish Fishing Trip

About Your Guide

Profile photo of Captain Experiences guide John Demarco

John Demarco

Independent Guide
Comfortable
Instructional
Talkative
Laid-back
Beginner Oriented
Quality
Captain John has spent more than 45 years fishing the waters off Gloucester, Massachusetts, both recreationally and commercially. With over four decades holding a U.S. Coast Guard Master’s License, he brings a lifetime of experience, seamanship, and local knowledge to every trip.

Giant bluefin tuna is his true specialty. Captain John caught his first bluefin out of a 16-foot boat using a handline rigged with rope and nail kegs, battling the fish for three hours. That early experience sparked a lifelong pursuit of these powerful giants and helped shape the skills he brings to the water today.

From chasing giant bluefin tuna and battling sharks offshore to targeting cod, haddock, striped bass, and bluefish along the coast, Captain John offers trips for anglers of all skill levels. Whether you are a seasoned fisherman or stepping aboard for the first time, his focus is always on safety, effort, and creating a memorable day on the water.

About Your Guide

Profile photo of Captain Experiences guide John Demarco

John Demarco

Independent Guide
Captain John has spent more than 45 years fishing the waters off Gloucester, Massachusetts, both recreationally and commercially. With over four decades holding a U.S. Coast Guard Master’s License, he brings a lifetime of experience, seamanship, and local knowledge to every trip.

Giant bluefin tuna is his true specialty. Captain John caught his first bluefin out of a 16-foot boat using a handline rigged with rope and nail kegs, battling the fish for three hours. That early experience sparked a lifelong pursuit of these powerful giants and helped shape the skills he brings to the water today.

From chasing giant bluefin tuna and battling sharks offshore to targeting cod, haddock, striped bass, and bluefish along the coast, Captain John offers trips for anglers of all skill levels. Whether you are a seasoned fisherman or stepping aboard for the first time, his focus is always on safety, effort, and creating a memorable day on the water.
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Rapid Fire Guide Q & A

What’s the biggest fish you’ve caught?
965lb Bluefin Tuna 50.5lb cod 52lb striped Bass
If you were cooking for all your friends what would you cook?
Hot Dogs Hamburg's Shrimp Scallops, fried haddock
What’s your favorite band?
Chicago
What’s your favorite movie?
Replacements

Rapid Fire Guide Q & A

What’s the biggest fish you’ve caught?
965lb Bluefin Tuna 50.5lb cod 52lb striped Bass
If you were cooking for all your friends what would you cook?
Hot Dogs Hamburg's Shrimp Scallops, fried haddock
What’s your favorite band?
Chicago
What’s your favorite movie?
Replacements
What’s your favorite sports team?
Red Sox
What’s your drink of choice?
Blue Moon
What was your last halloween costume?
Gorton of Gloucester man
What do you want for Christmas this year?
another boat
How did you get started guiding?
was a natural flow from all the things I like been on the water fishing since I was 8
What makes you different from other guides?
Humble, many years of experience , always like to see people have a great time, nobody enjoys each trip more than I and that carries over to my guests, we work as a team
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Tuna Tail Charters Deep Sea Fishing Trips

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Fishing in Destin
Fishing in Destin
Fishing in Destin

Deep Sea, Nearshore Fishing in Gloucester

Haddock & Cod Fishing

NEW
35 ft 1 - 6 People From $779
Fishing in Destin
Fishing in Destin
Fishing in Destin

Inshore, Nearshore Fishing in Gloucester

Bass & Bluefish Fishing Trip

NEW
35 ft 1 - 6 People From $779
Fishing in Destin
Fishing in Destin
Fishing in Destin

Deep Sea Fishing in Gloucester

Giant Bluefin Tuna Fishing

NEW
35 ft 1 - 6 People From $1,279
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Fishing in Destin
Fishing in Destin
Fishing in Destin

Deep Sea Fishing in Gloucester

12 HOUR - ALL DAY MARATHON TRIP

NEW
35 ft 1 - 6 People From $1,779

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Potential Target Species

Color-coded seasonality below is based on .
View Full Species Seasonality Chart »
  • Get it while it's HOT!
  • This species is in play.
  • You might get lucky (as long as things are in-season).
  • Couldn't tell ya! (no data)

Techniques

Drift Fishing
Heavy Tackle Fishing
Light Tackle Fishing
Trolling

Types of Fishing

Tuna Tail Charters Deep Sea Fishing Photo Gallery

Giant Bluefin Tuna Fishing
February 25th, 2026
Gloucester, Massachusetts
Bass & Bluefish Fishing Trip
February 25th, 2026
Gloucester, Massachusetts
12 HOUR - ALL DAY MARATHON TRIP
February 25th, 2026
Gloucester, Massachusetts
Bass & Bluefish Fishing Trip
February 25th, 2026
Gloucester, Massachusetts
Haddock & Cod Fishing
February 25th, 2026
Gloucester, Massachusetts
Giant Bluefin Tuna Fishing
February 25th, 2026
Gloucester, Massachusetts
Haddock & Cod Fishing
February 25th, 2026
Gloucester, Massachusetts
12 HOUR - ALL DAY MARATHON TRIP
February 25th, 2026
Gloucester, Massachusetts
Haddock & Cod Fishing
February 25th, 2026
Gloucester, Massachusetts
Bass & Bluefish Fishing Trip
February 25th, 2026
Gloucester, Massachusetts
Haddock & Cod Fishing
February 25th, 2026
Gloucester, Massachusetts
Giant Bluefin Tuna Fishing
February 25th, 2026
Gloucester, Massachusetts
Bass & Bluefish Fishing Trip
February 25th, 2026
Gloucester, Massachusetts
Giant Bluefin Tuna Fishing
February 25th, 2026
Gloucester, Massachusetts
12 HOUR - ALL DAY MARATHON TRIP
February 25th, 2026
Gloucester, Massachusetts
Haddock & Cod Fishing
February 25th, 2026
Gloucester, Massachusetts
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