Y Knot Charters Key West

When you’re ready for a day of fishing adventures on the waters of the Gulf of Mexico, turn to Y Knot Charters Key West! Whether you’re on a vacation or you want to leave your mundane worries behind for a while, Captain Ralph Thoren and his friendly crew are there to take you and your family out.

Capt. Ralph owns and operates Y Knot Charters, a 44’ Bonner powered by twin 225 HP Diesel engines, with enough room on board to accommodate groups of up to 6 anglers per trip. The boat features a complete pilot house and 4 air conditioners on board and has 6 bunks organized in 2 separate staterooms. This is perfectly organized for those multi-day trips when you will be sleeping on the boat.

Among other amenities, the vessel is very much family friendly and sports a bathroom with full shower, and comes outfitted with 2 refrigerators, a microwave, and a stove/oven. A variety of classic navigational and marine technology is present on board, including a GPS, radio, and fish finder. Basically, you get all the comforts of home on the water only with an enjoyable opportunity to cast your line whenever you feel like it.

The Y Knot Charters Key West crew specializes in offshore and reef/wreck fishing, spearfishing, and scuba diving. A variety of game species inhabit these waters, including Tuna, Mahi Mahi, King Mackerel, and even an occasional Wahoo and Sailfish, whereas bottom fishing often produces a variety of Groupers and Snappers.

Each trip includes all the appropriate fishing gear provided by the crew, as well as bait, ice, snacks, and bottled water. When it comes to scuba diving and spearfishing gear, if you want to use it, please let your captain know in advance, so that he can prepare everything for your trip.

Capt. Ralph loves teaching novices and families how to fish and scuba dive and will always go the extra mile for you to have a great time and make wonderful memories, so hop aboard!

Select date to see available trips and rates:

  • Private trip
    2 Day Trip - Marquesas Keys
      FREE Cancellation 60 days notice
    2 days trip, starts at 7:00 AM
    Overnight stay, liveaboard
    up to 6 persons / day
    Fish in the beautiful waters around Marquesas Keys for 2 days, explore the reefs and wrecks, as well as what offshore fishing has to offer in these parts. On your to-catch list are superstars like Wahoo, Tuna, Little Tunny, Porbeagle Shark, Mahi Mahi, even Sailfish, if the conditions align. Capt. Ralph will provide rods, reels, tackle, and everything else you might need. Bring your own food or talk to the captain to arrange it for you.
  • Private trip
    3 Day Trip - Dry Tortugas
      FREE Cancellation 60 days notice
    3 days trip, starts at 7:00 AM
    Overnight stay, liveaboard
    up to 6 persons / day
    On this fun trip, you will have 3 days to enjoy top-notch offshore and reef fishing, as well as scuba diving and spearfishing in Key West, Marquesas, and the Dry Tortugas National Park. Chase after Tuna, Wahoo, Sailfish, Mahi Mahi, Little Tunny, Barracuda, and whatever else finds your hook irresistible.
  • Private trip
    Overnight Trip
      FREE Cancellation 60 days notice
    1 day trip, starts at 7:00 AM
    Overnight stay, liveaboard
    up to 6 persons / day
    Why Knot spend one whole day fishing? You and your group get 24 hours of fishing, and sleeping accommodation is provided on board. You will be chasing after the greats like Mahi Mahi, Wahoo, Sailfish, Tuna, King Mackerel, as well as Grouper and Snapper if you decide to do some bottom fishing. The captain will provide all the fishing gear (and scuba diving gear if you want it), and if you want food on board as well, your guide will provide it for an additional cost.
  • Private trip
    Full Day Trip
      FREE Cancellation 60 days notice
    8 hours trip, starts at 7:00 AM
    up to 6 persons
    Spend 8 hours on a trip with Capt. Ralph and enjoy the awesome Key West fishery. Bring your family or angling friends and make a day out of it – soak in some sun, and chase Mahi Mahi, King Mackerel, Tuna, and if you're bottom fishing, then Grouper and Snapper are in the cards too.
  • Private trip
    3/4 Day Trip
      FREE Cancellation 60 days notice
    6 hours trip, starts at 7:00 AM
    up to 6 persons
    Enjoy the fishing abundance of the Keys and head out to this 6-hour fishing escapade. Your prey for the day is Mahi Mahi, Skipjack Tuna, King Mackerel, Little Tunny, Amberjack, and so much more.
  • Private trip
    Half Day Trip (AM)
      FREE Cancellation 60 days notice
    4 hours trip, starts at 7:00 AM
    up to 6 persons
    Maybe you can't spend your whole day fishing, but if you have a free morning, then you still have time for some early angling fun. Anything from Mahi Mahi and Tuna to Wahoo, Snapper, and Grouper is on the menu so cast your line and get ready to reel as if your life depended on it.
  • Private trip
    Half Day Trip (PM)
      FREE Cancellation 60 days notice
    4 hours trip, starts at 1:00 PM
    up to 6 persons
    Make the most out of your afternoon by going on a quick fishing adventure with Capt. Ralph. Four hours on the water is plenty to catch something awesome and have the best time along the way. You'll be targeting Mahi Mahi, Little Tunny, King Mackerel, Amberjack, and more.
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About this listing

Targeted Species

Barracuda (Great)
Dolphin (Mahi Mahi)
Grouper (Broomtail)

King Mackerel (Kingfish)
Little Tunny (False Albacore)
Shark (Porbeagle)

Snapper (Mangrove)
Tuna (Skipjack)
Yellowtail Amberjack

Boat Specs

Bonner (Saltwater fishing) originally built in 1985, and restored in 2018. Powered by 2 225HP Detroit Diesel engines, with a maximum cruising speed of 10 knots.

44 ft
6 persons

Types of Fishing

Nearshore Fishing
Offshore Fishing
Reef Fishing
Wreck Fishing

Fishing Techniques

Heavy Tackle
Bottom Fishing


Air Conditioning
Life Jackets
Snorkeling Equipment
Multimedia System
Spearfishing Equipment
Ice Box
Air Conditioning
Life Jackets

Trip Includes

Rods, reels & tackle
Live Bait
First Mate
Fishing License Included


FREE Cancellation
You can cancel or reschedule your booking up to 60 days before the trip. If the captain cannot run the trip due to unsafe weather conditions, your booking can be moved to another date or canceled free of charge.
Pickup agreed upon reservation
Transfer to/from departure site may be available and included in price depending on your location and distance from the dock.
Child Friendly
You Keep Catch
Catch and Release Allowed


Book with 10% deposit
When the captain confirms your trip, FishingBooker charges your credit card a 10% deposit to guarantee your reservation.
Pay remaining balance to captain
The remaining balance is to be paid directly to the charter operator on or prior to your trip date in one of the following payment methods:

When paying the remaining balance with a credit card, there is a 3% fee.

About the Captain

Ralph Thoren
Key West, Florida, United States
Member since June 2014
A fishing and scuba diving aficionado, Captain Ralph has over 15 years of professional chartering experience, operating both diving and liveaboard charter vessels throughout his career. He's been fishing from a very young age, and his dad was the one that hooked him on angling. Capt. Ralph has been fishing in Key West since 2001, and his favorite fish to catch are Mahi Mahi and Wahoo, as well as Yellowtail Tuna and Grouper. On his boat, it's important to have fun, catch fish, and make the most out of your day on the water.
Response time: 7 hours
Response rate: 80%

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