- Cruising Speed: 26 kn
- Maximum Speed: 34 kn
- Beam: 16' 11''
- Hull Material: Fiberglass
- Fuel Tank: 1 x 870|gallon
- Fresh Water: 1 x 240|gallon
- Holding: 1 x 42|gallon
- Cabins: 3
- Heads: 2
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.
Denison Yachting is pleased to assist you in the purchase of this vessel. This boat is centrally listed by Capstan Yachts.
Denison Yacht Sales offers the details of this yacht in good faith but can’t guarantee the accuracy of this information nor warrant the condition of this boat for sale. This yacht for sale is offered subject to prior sale, price change, or withdrawal from that yacht market without notice. She is offered as a convenience by this yacht broker to its clients and is not intended to convey direct representation of a specific yacht for sale.
Recent Maintenance & Upgrades
2020:
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 & 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, 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, 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
Contact our team to schedule a private showing.
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