FYI Yachts · Yacht for Sale

2005 Post 50 Convertible “Backlash”

51 ft · Barrington, RI

$585,000

FYI Yachts is pleased to assist you in the purchase of this vessel. This boat is centrally listed by Capstan Yachts.

2005 Post 50 Convertible yacht cruising on a calm river under a cloudy sky.

Description

The 2005 Post 50 Convertible "Backlash" is a clean, fully updated sportfishing yacht designed for both serious offshore angling and luxury cruising. Built on Post's respected hull design, she delivers confident handling, solid performance, and timeless aesthetics. Powered by twin MTU/Detroit Diesel Series 60 engines (825 HP each), she reaches top speeds of 34 knots with a comfortable cruising speed of 25 knots.

The interior showcases Post’s signature high-gloss handcrafted teak woodwork and modern laminate wood flooring throughout. Natural light floods the main salon through large windows, leading into a fully equipped galley and leather dinette area. Below deck, a 3-stateroom, 2-head layout offers comfortable accommodation for owners and guests during extended stays.

Specifications

Overview

Asking Price
$585,000
Year
2005
Make
Post
Model
50 Convertible
Builder
Post Yachts
Condition
Used
Type
Sports Fishing Boats, Saltwater Fishing, Convertible Boats
Hull Material
Fiberglass
Location
Barrington, RIApproximate area

Dimensions & Weight

LOA
50.58 ft (15.4 m)
Beam
16.92 ft (5.16 m)
Draft
Drive up 4.5 ft (1.37 m)
Bridge Clearance
18 ft (5.49 m)
Dry Weight
57,000 lb (25,855 kg)

Performance

Cruising Speed
26 kn
Max Speed
34 kn
Range
500 nm

Engines & Propulsion

Number of Engines
2
Total Hours
4,000 hrs
Fuel Type
Diesel
Drive Type
Direct
Engines
2× MTU Series 60 · 2,000 hrs · 2005 · Inboard · Direct · 5 Blade, Alloy

Tankage

Fuel
870 gal (3,293 L) · 1 tank
Fresh Water
240 gal (908 L) · 1 tank
Holding
42 gal (159 L) · 1 tank

Accommodations

Cabins
3
Heads
2

Equipment & Systems

Windlass
Electric
Electrical
12 V

Full Details

Upgrades/Updates

Recent Maintenance & Upgrades

2020:

  • Dometic Ice chipper
  • New Rupp Outriggers

2022:

  • Installed Yacht Controller EEC1000-03 Remote Function Dual Band engine & bow thruster wireless remote control system.

  • Refit complete dual screw Glendinning electronic shift & throttle controls

  • Side power bow thruster controls in Palm Beach shift lever controls

  • New Westerbeke 15kW 24V generator

  • New FLIR M364 thermal camera

  • New Blue Water Express XT 800-2 fresh water maker

  • New Dometic master stateroom A/C unit

  • Installed UMT Marine 600-lb davit

  • Installed port and starboard 12V electric reel outlets

  • New Black Oak 40" LED light bar

  • New 5x multicolor underwater stern lights

  • Installed convertible flybridge sunbed table

  • Replaced all forward deck hatches & MTU engine displays.

2024:

  • Full Garmin electronics refit (dual 8616 GPS Map displays, 8616 GPS Map cockpit pod display, GMR Fantom 12X 6' open-array radar, 3kW transducer, AIS).

  • Installed Starlink marine system and new salon TV

  • New trim tab actuators

  • New steering ram mounted on custom built SS mounting platform with new hydraulic supply hoses

  • Installed new custom built Marine Exhaust risers.

  • Completed full 2,000-hour engine service & reconditioned/balanced Nibral propellers.

  • New master stateroom queen mattress

2025:

  • Replaced engine transmission solenoids and fuel tank sending units

  • Replaced both cutlass bearings.

  • Reconditioned both Nibral propellers, pitch, track and balanced.

  • Added engine room & stern high-water alarms, new Starlink inverter, and new mid/forward A/C cooling water lines.

  • New Solas 6 person life raft with hydrostatic release

  • Plumbed 1” bladder fuel line and reverso pump from engine room for emptying cockpit fuel bladders underway at cruise

2026:

  • New full flybridge Eisenglass enclosure

  • 4 new Interstate AGM marine batteries

  • New freshwater pump

Accommodations

Accommodations & Interior FeaturesSalon

  • High-gloss teak wood finish throughout

  • Laminate wood flooring

  • Leather L-shaped sofa with storage below

  • Leather dinette seating

  • Sliding salon door

  • Air conditioning with digital controls

  • Bose surround sound system

  • New salon TV

  • Window blinds

  • 110V outlet

  • Cabinet storage

Galley

  • Teak high gloss interior cabinets

  • Teak & holly flooring

  • Corian countertop with recessed sink, Moen faucet, & recessed trash bin

  • Upright refrigerator & freezer

  • Sharp Carousel microwave/convection oven

  • Princess 2-burner stovetop

  • Insta-Hot water faucet & exhaust fan

  • Ample overhead and under-counter cabinet space

  • Two 110V outlets

Master Stateroom (Starboard) & En-Suite Head

  • Teak high gloss interior

  • Queen island bed with new mattress and drawer storage below

  • Sharp Aquos 22" flat-screen TV & digital A/C controls

  • High-gloss teak finish & dimmable lighting

  • Private en-suite head with stall shower & bench

  • Corian countertop, Raritan electric head, teak & holly flooring, and Oceanair hatch

  • 110V outlets

  • Cedar lined closets in Master stateroom and en-suite head

VIP Stateroom (Forward)

  • Teak high gloss interior

  • Split bunk setup with drawer storage underneath

  • Custom rod storage cabinet

  • Sharp Aquos 17" flat-screen TV & digital A/C controls

  • Cedar-lined hanging locker & Oceanair overhead hatch

  • A/C with digital controls

  • Laminate wood flooring

  • Oceanair overhead hatch

  • Reading lights

Guest Stateroom (Starboard) & Guest Head

  • Teak high gloss interior

  • Over/under bunk berths with under-bed drawer storage

  • Cedar lined Hanging locker, A/C controls/vent, and overhead hatch

  • Dedicated guest head featuring stall shower, Corian countertop, Raritan electric head, & teak & holly flooring

  • 110V outlet

Companionway

  • Laminate wood floor with step storage

  • High gloss teak privacy doors to all staterooms and heads

  • Central vacuum system

Flybridge/ Cockpit

Flybridge, Deck & Helm

  • Hardtop with brand-new (2026) full Eisenglass enclosure

  • Dual Release Marine teak helm chairs

  • Pod helm with single-lever controls (integrated Palm Beach-style bow thruster controls)

  • Side Power bow thruster with joystick control

  • Flybridge seating with cushions & storage below; table converts to a sunbed via gas-assist pistons

  • Muir windlass with bow pulpit, rails, anchor chain, & rode locker

  • 40" Black Oak curved LED light bar

  • UMT Marine 600-lb davit with deck chocks

  • Solas 6 person life raft w/hydrostatic release

Cockpit & Fishing Equipment

  • Non-skid deck with engine room access door

  • Custom cockpit BBQ grill & teak rocket launcher

  • Transom door with lift gate

  • Livewell, tackle center, cockpit freezer, and drink box at salon door

  • In-sole fish boxes with macerator pump

  • Dometic ice chipper

  • Rupp Outriggers

  • Gunwale rod holders, hawse pipes, & scuppers

  • Port and starboard 12V recessed electric reel outlets

  • Waterproof cockpit Garmin 8616 GPS Map electronics pod

  • 5 drawer Tackle center under cockpit grill

  • Fresh and salt water washdowns

Electronics & Navigation Equipment

  • Dual Garmin GPSMAP 8616 MFDs at helm + 1 MFD in cockpit pod

  • Garmin 6' open-array radar & 3kW transducer

  • Garmin autopilot and two Garmin 200 VHF radios

  • FLIR M364 thermal imaging camera

  • Yacht Controller EEC1000-03 wireless remote system (dual-band engine & bow thruster)

  • Glendinning electronic shift and throttle control refit

  • Marine-grade Starlink satellite system with Netgear router & dedicated inverter

  • AIS integration & NMEA 2000 network integration

  • Fusion MS-IP600 stereo & cockpit speakers

Engine Room

Engine Room, Mechanical & Electrical

  • Engines: Twin MTU/Detroit Diesel Series 60 (825 HP each) with Glendinning electronic controls

  • Generator: Westerbeke 15kW 24V generator in sound shield (2022)

  • Water Maker: Blue Water Express XT 800-2 freshwater maker

  • Batteries & Power: 4x Interstate AGM marine batteries (2026), Chargemaster 24/60 battery charger, Victron Energy Inverter, & Glendinning Cablemaster

  • Mechanical Systems:

  • Reverso oil change system & Racor fuel filters

  • Hydraulic steering with new steering ram & stainless mounting platform

  • Bennett trim tabs with new NMEA 2000 actuators

  • New Custom Marine Exhaust risers

  • Dripless shaft logs & high-pressure freshwater pump

  • Multi-zone Cruisair & Dometic air conditioning units with new water lines

  • High-water alarms in engine room & stern compartments

  • New Multi-color underwater stern lights

  • Plumbed 1” bladder fuel line and reverso pump from engine room for emptying cockpit fuel bladders underway

Photos (31)

  • Luxury 2005 Post 50 Convertible yacht on a serene waterway with cloudy skies.
  • 2005 Post 50 Convertible yacht cruising on a scenic waterway under cloudy skies.
  • 2005 Post 50 Convertible yacht on water, cloudy sky, lush green shoreline in background.
  • 2005 Post 50 Convertible yacht cruising on calm waters under a cloudy sky.
  • 2005 Post 50 Convertible yacht docked at marina, surrounded by other boats under cloudy sky.
  • 2005 Post 50 Convertible yacht docked at a marina under a partly cloudy sky.
  • 2005 Post 50 Convertible yacht docked, featuring "Backlash" name and American flag.
  • Luxurious helm of a 2005 Post 50 Convertible yacht with leather seats and advanced navigation equipment.
  • Control panel of a 2005 Post 50 Convertible yacht, featuring navigation and communication equipment.
  • Control panel of a 2005 Post 50 Convertible yacht with navigation instruments and steering wheel.
  • Control panel of a 2005 Post 50 Convertible boat with navigation screens.
  • Luxury yacht deck with captain's chairs, American flag, and scenic waterfront view.
  • Luxurious seating area on a 2005 Post 50 Convertible yacht, docked at a marina.
  • Spacious deck of a 2005 Post 50 Convertible yacht docked at a marina.
  • Luxurious interior of a 2005 Post 50 Convertible yacht with plush seating and modern amenities.
  • Luxurious 2005 Post 50 Convertible yacht interior with dining area and modern amenities.
  • Luxurious interior of a 2005 Post 50 Convertible yacht with plush seating and a mounted TV.
  • Luxurious 2005 Post 50 Convertible yacht kitchen with wood cabinetry and modern appliances.
  • Luxurious cabin interior of a 2005 Post 50 Convertible yacht with cozy bedding.
  • Luxurious bathroom in a 2005 Post 50 Convertible yacht, featuring a shower and vanity.
  • Luxurious bathroom in a 2005 Post 50 Convertible yacht, featuring modern fixtures and elegant design.
  • Interior of 2005 Post 50 Convertible yacht with cozy wooden cabin and bedding.
  • Interior cabin of a 2005 Post 50 Convertible yacht with wooden cabinetry and bedding.
  • Engine room of a 2005 Post 50 Convertible yacht, featuring Series 60 engines.
  • Engine room of a 2005 Post 50 Convertible yacht, featuring control panels and machinery.
  • Engine room of a 2005 Post 50 Convertible yacht, showcasing mechanical components.
  • Engine room of a 2005 Post 50 Convertible yacht, showcasing mechanical components and systems.
  • Engine room of a 2005 Post 50 Convertible yacht, showcasing mechanical components and systems.
  • Outdoor grill station on a 2005 Post 50 Convertible yacht, featuring a sleek design.
  • A white cabinet with four drawers and an open compartment containing wires and accessories.

Similar yachts for sale

Browse all yachts for sale · More Post yachts for sale · Call +1 305-854-6020

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.