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53 POST 2005 Boat for Sale

Sea Keeper 9

ASKING PRICE: $499,000 Watch Price

St Pete Beach, FL

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Sea Keeper 9 Yacht Photos Pics 2005 Post 53 Convertible yacht cruising near waterfront buildings under a clear blue sky.
Sea Keeper 9 Yacht Photos Pics Luxurious interior of a 2005 Post 53 Convertible yacht with elegant seating and modern amenities.
Sea Keeper 9 Yacht Photos Pics Luxurious bedroom interior of 2005 Post 53 Convertible yacht with striped bedding and wooden cabinetry.
Sea Keeper 9 Yacht Photos Pics Luxurious cabin interior of 2005 Post 53 Convertible yacht with wood finish and twin beds.
Sea Keeper 9 Yacht Photos Pics Luxurious 2005 Post 53 Convertible yacht interior with helm, leather seats, and marina view.
Sea Keeper 9 Yacht Photos Pics 2005 Post 53 Convertible yacht deck with ladder and door, featuring sleek white design.
Sea Keeper 9 Yacht Photos Pics 2005 Post 53 Convertible yacht deck with ladder and seating area, docked at marina.
Sea Keeper 9 Yacht Photos Pics 2005 Post 53 Convertible yacht deck with ladder and storage compartments.
Sea Keeper 9 Yacht Photos Pics Luxurious interior of a 2005 Post 53 Convertible yacht with cream leather seating.
Sea Keeper 9 Yacht Photos Pics Luxurious interior of a 2005 Post 53 Convertible yacht with leather seating and wooden cabinetry.
Sea Keeper 9 Yacht Photos Pics Luxurious interior of a 2005 Post 53 Convertible yacht with wood finishes and modern amenities.
Sea Keeper 9 Yacht Photos Pics Luxurious interior of 2005 Post 53 Convertible yacht with cream leather seating and wood accents.
Sea Keeper 9 Yacht Photos Pics Luxurious interior of a 2005 Post 53 Convertible yacht with plush seating and a large TV.
Sea Keeper 9 Yacht Photos Pics Luxurious interior of a 2005 Post 53 Convertible yacht with plush seating and wooden table.
Sea Keeper 9 Yacht Photos Pics Luxurious interior of a 2005 Post 53 Convertible yacht with modern kitchen and seating area.
Sea Keeper 9 Yacht Photos Pics Luxurious kitchen interior of 2005 Post 53 Convertible yacht with wooden cabinets and modern appliances.
Sea Keeper 9 Yacht Photos Pics Luxurious interior of a 2005 Post 53 Convertible yacht with modern kitchen and seating area.
Sea Keeper 9 Yacht Photos Pics Luxurious cabin interior of 2005 Post 53 Convertible yacht with cozy bed and wooden cabinetry.
Sea Keeper 9 Yacht Photos Pics Luxurious cabin interior of 2005 Post 53 Convertible yacht with wood finishes and modern amenities.
Sea Keeper 9 Yacht Photos Pics Luxurious bathroom in 2005 Post 53 Convertible yacht with shower, sink, and toilet.
Sea Keeper 9 Yacht Photos Pics Luxurious bathroom in 2005 Post 53 Convertible yacht with modern fixtures and wooden accents.
Sea Keeper 9 Yacht Photos Pics Compact laundry area with a washing machine and fire extinguisher in a wooden cabinet.
Sea Keeper 9 Yacht Photos Pics Bunk beds in a 2005 Post 53 Convertible yacht cabin with striped bedding.
Sea Keeper 9 Yacht Photos Pics Interior of 2005 Post 53 Convertible with bunk beds, TV, and wooden cabinetry.
Sea Keeper 9 Yacht Photos Pics Luxurious bathroom in 2005 Post 53 Convertible yacht with modern fixtures and wooden cabinetry.
Sea Keeper 9 Yacht Photos Pics Luxurious cabin interior of 2005 Post 53 Convertible yacht with twin beds and wood finish.
Sea Keeper 9 Yacht Photos Pics 2005 Post 53 Convertible yacht deck with wooden flooring and fishing rod holders.
Sea Keeper 9 Yacht Photos Pics Luxurious 2005 Post 53 Convertible yacht interior with helm, leather seating, and marina view.
Sea Keeper 9 Yacht Photos Pics Luxurious 2005 Post 53 Convertible yacht interior with leather seating and modern navigation equipment.
Sea Keeper 9 Yacht Photos Pics Luxurious 2005 Post 53 Convertible yacht interior with leather seating and navigation controls.
Sea Keeper 9 Yacht Photos Pics 2005 Post 53 Convertible yacht helm with modern navigation equipment and luxurious seating.
Sea Keeper 9 Yacht Photos Pics Helm of 2005 Post 53 Convertible yacht with navigation equipment and wooden steering wheel.
Sea Keeper 9 Yacht Photos Pics Luxurious 2005 Post 53 Convertible yacht interior with leather seating and modern navigation equipment.
Sea Keeper 9 Yacht Photos Pics Luxurious 2005 Post 53 Convertible yacht interior with marina view and comfortable seating.
Sea Keeper 9 Yacht Photos Pics Luxurious 2005 Post 53 Convertible yacht interior with brown seating and marina view.
Sea Keeper 9 Yacht Photos Pics Luxurious 2005 Post 53 Convertible yacht interior with marina view.
Sea Keeper 9 Yacht Photos Pics Engine room of a 2005 Post 53 Convertible yacht, showcasing machinery and equipment.
Sea Keeper 9 Yacht Photos Pics Engine room of a 2005 Post 53 Convertible yacht, featuring CAT marine engine.
Sea Keeper 9 Yacht Photos Pics Engine room of a 2005 Post 53 Convertible with Onan generator and wiring.
Sea Keeper 9 Yacht Photos Pics Engine room of a 2005 Post 53 Convertible yacht, showcasing machinery and components.
Sea Keeper 9 Yacht Photos Pics Engine room of a 2005 Post 53 Convertible yacht, featuring machinery and equipment.
Sea Keeper 9 Yacht Photos Pics Engine room of a 2005 Post 53 Convertible yacht, featuring CAT machinery and electrical systems.
Sea Keeper 9 Yacht Photos Pics Engine room of a 2005 Post 53 Convertible yacht, featuring various mechanical components.
Sea Keeper 9 Yacht Photos Pics Engine room of a 2005 Post 53 Convertible with electrical systems and fire extinguisher.
Sea Keeper 9 Yacht Photos Pics Engine room of a 2005 Post 53 Convertible yacht, featuring CAT machinery and equipment.
Sea Keeper 9 Yacht Photos Pics Engine room of a 2005 Post 53 Convertible boat, showcasing wiring and ventilation systems.
Sea Keeper 9 Yacht Photos Pics Engine room of a 2005 Post 53 Convertible yacht, featuring CAT engines and various equipment.
Sea Keeper 9 Yacht Photos Pics Engine compartment of a 2005 Post 53 Convertible with ventilation fan and wiring.
Sea Keeper 9 Yacht Photos Pics Engine room of a 2005 Post 53 Convertible yacht, showcasing machinery and components.
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Off Market

Last updated Jul 2, 2025

Sea Keeper 9 Boat | 53' Post 2005

The 2005 Post 53 Convertible was Post's final model before the end of an era of luxury sport fishing yachts. Built in the same area with other big-name brand boat manufacturers such as Viking, Egg Harbor and Ocean Yachts, Post always built classic styling yachts with excellent quality. The 53’ Post Convertible has three staterooms, two heads and the desirable galley up layout. She is powered by Caterpillar C18 engines and is the only 53' Post equipped with a SEA KEEPER 9. 


See other great features in the Vessel Highlights below. Make an appointment today; the 2005 Post 53’ Convertible Sportfish is located in beautiful Saint Petersburg, FL.

Denison Yachting is pleased to assist you in the purchase of this vessel. This boat is centrally listed by HMY Yacht Sales, Inc..

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.

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Sea Keeper 9 HIGHLIGHTS

Sea Keeper 9 additional information

Specifications
  • Beam: 16' 9''
  • Hull Material: Fiberglass
  • Max Draft: 5' 0''
  • Fuel Tank: 1 x 926|gallon
  • Fresh Water: 1 x 240|gallon
  • Holding: 1 x 80|gallon
  • Cabins: 3
  • Heads: 2
Vessel Highlights

  • Caterpillar power
  • SeaKeeper 9
  • Two Onan generators
  • Bow thruster
  • Water maker
  • Davit
  • AC on bridge
  • New enclosure –April 2025
  • Three stateroom/ 2 heads
  • Amtico Teak and Holly throughout
Salon

  • Amtico Teak and Holly flooring
  • Leather L shaped sofa w/ pull out bed & storage below
  • Sliding salon door
  • Summit drink refrigerator inside salon door
  • Leather upholstered dinette w/ teak table
  • Storage cabinet next to electrical panel
  • Upholstered lambrequins
  • Overhead LED lighting
  • Silhouette blinds
  • High gloss teak wood finish throughout
  • TCL 42” TV w/ SAT TV receiver
  • Bose surround sound
  • Electrical panel up
  • Cabinet storage/ Icom VHF radio
  • A/C w/ digital controls
Galley

  • Amtico Teak and Holly flooring 
  • New SS under counter refrigerator/freezer drawers (6) June 2025
  • Corian counter top w/recessed sink w/ faucet & pressure water
  • Trash bin recessed under counter w/ Corian cover
  • Teak high gloss finish on cabinets
  • Exhaust fan
  • AC vent
  • Electrical outlets
  • Panasonic microwave/convection oven
  • Princess 2 burner stove top w/ Corian cover
  • Overhead cabinet space
  • Overhead LED lighting
Master Stateroom / Port

  • Queen island bed w/storage below
  • Bedding and pillows
  • Amtico Teak and Holly flooring
  • Nightstands w/ drawers
  • Samsung 32” flat screen TV 
  • Padded headboard
  • Teak high gloss interior finish
  • Wallpaper
  • Cabinet storage
  • Overhead LED lighting
  • Hanging locker
  • A/C w/ digital controls 
Master Head

  • Corian countertop w/ recessed molded sink and faucet
  • Storage under counter
  • Raritan head
  • Amtico Teak and Holly flooring
  • Mirrored medicine cabinet
  • Oceanair overhead hatch
  • Towel rack
  • Towel closet
  • Overhead LED lights
  • Electrical outlet
  • Stall shower w/ bench
Vip Stateroom / Forward

  • Cross over beds w/ drawer storage below
  • Bedding and pillows
  • Teak high gloss interior
  • Amtico Teak and Holly flooring
  • Overhead LED lighting
  • Samsung 24” flat screen TV
  • Drawer storage and cabinets
  • Oceanair overhead hatch 
  • 110V outlet
  • A/C w/ digital controls
  • Cedar lined hanging lockers P & S
Guest Stateroom / Starboard

  • Over/under berths
  • Bedding and pillows
  • Amtico Teak and Holly flooring
  • Overhead LED lights
  • Reading lights
  • Hanging locker
  • A/C controls and vent
  • 110V outlet
  • Samsung 24” flat screen TV
  • Drawer storage under lower bunk
Guest Head

  • Corian countertop w/ recessed molded sink and faucet
  • Raritan head
  • Amtico Teak and Holly flooring
  • Mirrored medicine cabinet
  • Oceanair overhead hatch
  • Overhead LED lights
  • Storage below counter
  • Electrical outlet
  • Stall shower
  • A/C vent
Companionway

  • Amtico Teak and Holly flooring
  • Lighted steps
  • Storage under step
  • Teak hand rail
  • Splendide combo washer/ dryer 
  • Overhead LED lights
  • Privacy doors to all staterooms and head
  • Central vacuum
Cockpit

  • Synthetic teak deck
  • Teak covering boards
  • Transom door & lift gate
  • Transom live well
  • Fish box in sole w/ macerator
  • Cockpit freezer
  • Cockpit shade-removable
  • Rod holders on gunwale and haunches
  • Hawse pipes
  • Scuppers
  • Camera
  • Rocket launcher
  • Drink box at salon door
  • Courtesy lights
  • Bait prep center w/ faucet, cleaning board
  • Engine room door
  • Shore power w/ cable master
  • Lights in overhang
  • Sliding salon door
  • Ladder to bridge
  • Fusion stereo remote w/ JL Audio speakers
Fishing Equipment

  • Rod holders
  • Outriggers
  • Transom door w/ gate
  • Fish boxes in floor
  • Tackle center w/ drawers
  • Transom live well
  • Bait prep center
Helm And Flybridge

  • Teak helm chairs
  • Teak pod helm w/ single lever controls
  • Electronics package
  • AC on bridge w/ vents
  • Sleipner bow thruster
  • Engine start/stop in overhead drop box
  • Handrail to bridge
  • Hard top w/ full enclosure- New 2024
  • Storage in brow & under console
  • Storage cabinet
  • Caterpillar displays
  • Fuel gauges
  • Bennett trim tabs
  • Side seating with cushions & storage below
  • Forward L shaped seating w/storage below 
  • Overhead lights
  • Synthetic teak deck 
  • Glendinning trolling valves
  • ACR remote spotlight controls
Electronics

  • Simrad GPS/chart plotter- 15” screen
  • Garmin 16” screen
  • Garmin radar/GPS/chart plotter 
  • Icom IC-M424G VHF radio
Deck And Hull

  • Hull color: White
  • Bottom paint
  • Transom door w/ gate
  • Davit- 1,000 lbs
  • Windlass w/ drop pulpit
  • Anchor chain and rode locker 
  • Hard top w/full enclosure New April 2025
  • Bennett trim tabs
  • Hatches on bow (3)
Engine Room & Mechanical Equipment

  • Twin Caterpillar C 18-1,000 HP diesel engines w/ 1900 hours
  • CAT gauges on engines
  • ZF gears
  • Two Onan 21.5 kw generator 
  • SeaKeeper 9 - Installed May 2024
  • Water maker
  • Reverso oil change system
  • Engine room blowers
  • Racors
  • Dripless shaft logs
  • Cruisair compressors
  • Hot water heater
  • Glendinning cablemaster 
  • Fuel transfer 
  • Hydraulic steering
  • High pressure fresh water pump
  • Bonded electrical system
  • Halon bottles (2)
  • Camera
  • Overhead lights
  • Mufflers
  • Batteries
  • Charles 60 amp battery chargers
  • Bilge pumps
  • Storage drawers at engine room entrance
Electrical Equipment

  • Two Onan 21.5 kW diesel generators 
  • Batteries
  • Charles 60- & 20-amp battery chargers
  • Glendinning cable master
  • Electrical panels
  • Electrical outlets

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