Infinite Blue Charters

Capt. Robert Williams Marathon, FL Incorporated Licensed Insured

Looking for a one of a kind fishing trip? Then you found the perfect place! Infinite Blue Fishing Charters and Captain Robert Williams will guarantee that you and your group of family or friends create lifetime memories!

Experience a luxury fishing trip in Marathon, Florida where Infinite Blue Fishing Charters will handle everything you need to get you hooked on while you relax in comfort. Capt. Robert will take you to the offshore waters where you will go trolling for pelagic fish, drift fish over wrecks, and even bottom fish for Snapper and Grouper! Capt. Robert has been fishing for nearly 4 decades and loves to share his experience with others no matter their age or skill level.

Infinite Blue Charters will have you fishing aboard a 47’ Sportfisherman powered by twin 420HP Caterpillar engines, ensuring you get to the fishing grounds in no time! Besides being able to fit up to 6 guests comfortably, you also get to enjoy the luxury of the whole cabin. A comfortabale couch, a TV, kitchen, AC, and a bathroom are some of the creature comforts of home you will find on this impressive vessel. Capt. Robert’s boat is very spacious so don’t expect to be fishing on a crowded boat.

Capt. Robert will provide you with the necessary equipment in order to get you hooked on fish! This includes the fishing license for you and all of your guests, fresh bait, lures, rods, reels, and tackle. Infinite Blue Charters sets you up to have the most relaxing stress-free trip you will ever take in the Florida Keys!

Hop on board where you will get a wide variety of different fish to reel in. You’ll be able to target Barracuda, Grouper, Sharks, Tarpon, Yellowtail, Tuna, Spanish Mackerel, Porgy, Mahi Mahi, King Mackerel, Red Grouper, Wahoo, and plenty more! Capt. Robert will take you directly to the hot spots to get your rods screaming with action! The First Mate will clean and fillet your catch for you after your successful trip with Infinite Blue Charters.

If you are looking for an organized, clean, enjoyable deep-sea fishing trip, Captain Robert Williams invites you to join him in Marathon, Florida for an unforgettable fishing trip with Infinite Blue Charters.

Book today!!

833-I-GO-FISH (446-3474)

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  Launch Location

3502 Gulfview Avenue, Marathon

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Trips start at $660

2 Trips

1-6 guests

See available trips

1998 47' Sport Fisherman

420 HP engine(s)

  • GPS
  • Fishfinder
  • Radar
  • Children Welcome
  • Clients Keep Catch
  • No Smoking
  • No Illegal Substances



Select an Available Trip



Includes 6 guests

Trip time: 9:00am to 1:00pm (4 hours)

3 Day Cancellation Policy

Target bottom fish such as Yellowtail, Mangrove and Mutton Snapper on this 4-hour adventure! You will be able to comfortably fish on a 47' Sea Ray Flybridge. During Red Grouper season you’ll also get some of these delicious fish showing up in your chum line. In the summer and spring, you can opt to do some trolling for Mahi Mahi around the weed lines and obstructions. 

Bottled Water Provided
Close details



Includes 6 guests

Trip time: 9:00am to 3:00pm (6 hours)

3 Day Cancellation Policy

You'll start the day off by boarding a luxurious 47' Sea-ray. Then you will troll the current rips for King Mackerel, Wahoo, Mahi Mahi, and Tuna on this 6-hour adventure! Depending on the time of year and conditions, Capt. Robert will set up for drift fishing in the productive wrecks. If you have time left over you will hit one of Capt. Robert's favorite bottom spots and finish the day off with bottom fishing for Snapper and Grouper! 


Bottled Water Provided
Close details

Fish Species

Black Grouper
King Mackerel
Little Tunny (False Albacore)
Mahi Mahi
Mutton Snapper
Nassau Grouper
Red Grouper
Spanish Mackerel
Spiny Lobster

Additional Details

Safety Features

  • Life Jackets
  • Fire Extinguishers
  • First-Aid Equipment
  • CPR-Trained Crew
  • Flares
  • VHF Radio


  • GPS
  • Fishfinder
  • Radar

Boat Features

  • Air Conditioning
  • Cooler
  • Multimedia System
  • Refrigerator
  • TV


  • Bed
  • Flybridge
  • Kitchen
  • Shower
  • Salon
  • Toilet

Boat Gear

  • First Mate
  • Livewell
  • Outriggers
  • Snorkeling Equipment

Fishing Techniques

  • Bottom Fishing
  • Deep Sea Fishing
  • Drift Fishing
  • Trolling

Fishing Policies

  • Children Welcome
  • Clients Keep Catch
  • No Smoking
  • No Illegal Substances

Price Includes

  • Catch Cleaning & Filleting
  • Fishing License
  • Fresh or Live Bait
  • Lures
  • Rods, Reels & Terminal Tackle

Fishing Location

  • Inshore
  • Nearshore
  • Offshore
  • Reef
  • Wreck

About the Vessel


Capt. Robert Williams

Boat Type

Sport Fisherman

Boat Length


Year Built


Engine Manufacturer


Number of Engines


Engine Horsepower

420 HP