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2018 Viking 55 Convertible


San Diego, California, United States
  • 3 Staterooms
  • 2 Heads
  • 2 Engines

This Shimmering Blue 2018 Viking 55 Convertible, WHY KNOT, features a 3/2 layout with island style galley, Seakeeper, Garmin Electronics, PBT Hardtop, washer/dryer, has low hours on her MAN Common Rail V12's featuring Soundown silencers, and is loaded with options. Accommodations on WHY KNOT include an inviting layout with three staterooms and two heads, companionway laundry center, galley features an island and under counter refrigeration. Fish or cruise with the family in style with conveniences like a center console helm station, and amenities such as the observation mezzanine in the split level cockpit.

Key Features Include:

  • Seakeeper SK9
  • Garmin Electronics
  • Furuno CH8L Omni Sounder
  • PBT Hardtop
  • MAN CR V12's - Featuring Soundown Mufflers, Surge Tubes, and Sound Tiles - taking Viking's quietest 55' and elevating the comfort and ride with the industry benchmark for noise control and silencing.
  • LLC Owned

Contact us today to schedule your showing!

  • Last updated Sep 8th, 2023


Quick Specs

Builder: Viking
Country: United States
Category: Convertible Boats
Model: 55 Convertible
Model Year: 2018


Cabins: 3
Heads: 2
Sleeps: 6

Hull Information

Hull ID: VKY55436K718
Hull Material: Fiberglass


Length: 55 ' (16.76M)
Draft: 5' 1" (1.52M)
Beam: 17' 9" (5M)


Fuel Capacity: 1605 G. 6075 L.
Water Capacity: 225 G. 851 L.
Holding Tank: 100 G. 378 L.


Engine 1

Engine Make: MAN
Engine Model: CR V12 2842-433
Engine Type: Inboard
Power HP: 1,550
Fuel Type: Diesel
Engine Hours: 1,050
Engine Location: Port

Engine 2

Engine Make: MAN
Engine Model: CR V12 2842-433
Engine Type: Inboard
Power HP: 1,550
Fuel Type: Diesel
Engine Hours: 1,050
Engine Location: Starboard


Notable Options

  • Shimmering blue gelcoat on hull
  • Additional fuel tank (total 1605 gallons)
  • RELEASE teak helm pod with single lever controls
  • Bow thruster
  • Black mask
  • Full carpet runners for salon and companionway
  • Mirrored ceilings in heads
  • Electric salon door opener
  • Windlass with fairlead
  • Clear cube icemaker in salon
  • Televisions in each stateroom
  • Cockpit controls


  • 3 stateroom 2 head layout
  • Master stateroom is amidships to starboard
  • Forward stateroom features VIP cross over option
  • Guest stateroom with twin lower berths situated fore and aft is an extremely comfortable
  • Laundry center is to port in the companionway
  • Galley on the main deck the with the island counter/bar is forward to starboard
  • Dinette is to port and the large L-Shaped lounge is aft to port
  • Cockpit and mezzanine access is through an electric door to starboard


  • Garmin 72 mile HD radar
  • Garmin 7612 display
  • Garmin 7616 plotter
  • Garmin GSD-26 sounder with CHIRP & Garmin 7612 display
  • Furuno RD33 data organizer
  • Furuno CH8L Omni Sonar
  • Garmin GHP reactor autopilot
  • ICOM M506 VHF
  • ICOM M604 VHF
  • Fusion stereo
  • AIGEAN WiFi system
  • (3) engine room cameras
  • FLIR MD625 thermal imaging camera
  • FLIR spotlight
  • ACR RCL100 spotlight
  • KVH HD7 Sat TV with (3) receivers
  • Fusion stereo in cockpit
  • Garmin plotter in cockpit

Fishing Equipment

  • Palm Beach Towers hardtop
  • Custom cockpit controls
  • Rupp triple spreader outriggers
  • Rupp center rigger
  • Electric teaser reels
  • Trolling valves and single lever electronic controls
  • Rod holders, (6) rod holders on aft bridge rail
  • Transom door with gate
  • Transom fish box plumbed as live well
  • Live well in cockpit sole
  • 12V and 24V outlets port and starboard
  • Fresh water wash down
  • Saltwater wash down
  • In-deck fish box
  • Port and starboard mezzanine step boxes are refrigerated
  • Flybridge freezer
  • Cockpit plumbed with removable bait tank

Engine Room and Hull

  • Twin MAN V12 1550hp Common Rail diesels
  • 21kw Onan generator
  • 13.5kw Onan generator
  • Fuel priming pumps
  • Fuel transfer system
  • Oil change system
  • Eskimo ice machine
  • 700 GPD water maker
  • Additional sea water pump plumbed in parallel
  • Delta T system
  • Glendenning cable master
  • Sound Down Mufflers, Surge Tubes, and Sound Tiles


The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.

Engine hours are as of the date of the original listing and are a representation of what the listing broker is told by the owner and/or actual reading of the engine hour meters. The broker cannot guarantee the true hours. It is the responsibility of the purchaser and/or his agent to verify engine hours, warranties implied or otherwise and major overhauls as well as all other representations noted on the listing brochure.