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Neptunus 129 AK Fly

130.000 €
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Neptunus 129 AK Fly - Comfortable ocean-going yacht with flybridge

The Neptunus 129 AK Fly, built in 1992, is a classic Dutch motor yacht with flybridge, built for comfortable long journeys on inland and coastal waters. With an overall length of around 13.80 meters, a width of around 4.25 meters and a robust GRP hull, it combines maritime design, a well thought-out layout and reliable technology.

Design & Construction

The yacht comes from the renowned Neptunus Yachts shipyard in the Netherlands, which is known for its high-quality workmanship and seaworthy hulls. The lines are classically elegant with clear deck structures, safely accessible side gangways and a spacious flybridge with steering position and seating area - ideal for cruising in good weather and for socializing on board.

Interior fittings & space

Inside, the Neptunus 129 AK Fly impresses with a bright, functionally divided saloon with a spacious round seating area and inside steering position. Two spacious cabins - a forward cabin with a V-berth and an aft cabin with a large double bed - offer a total of 4 to 5 berths. The headroom is just under 2 meters throughout and ensures an airy feeling of space.

The galley is fully equipped with a gas stove, fridge, sink and plenty of storage space. Two separate bathrooms with electric toilets and showers (hot/cold) as well as an outdoor shower in the stern area ensure comfortable living on board - even on longer trips.

Technology & drive

Propulsion is provided by two powerful Volvo Penta TAMD61A diesel engines, each with approx. 306 hp, which act on two propellers via shaft drive. The yacht thus achieves superior cruising speeds and has a long range, supported by a fuel tank of approx. 1,300 liters.

A bow thruster, modern navigation electronics (radar, autopilot, GPS plotter) as well as electric anchor windlass and steering systems support safe and easy operation.

Equipment & comfort

  • Large flybridge with weather protection

  • Hot water boiler and heating system

  • On-board electrical system with shore power connection

  • Fresh water tank approx. 500 liters, holding tank available

  • Numerous updates: e.g. batteries, cooling system, electrics modernized

Conclusion

The Neptunus 129 AK Fly is an excellently equipped GRP yacht that cuts a confident figure both on inland waterways and in coastal areas. She is ideal for owner couples or families who value comfort, safety and sophisticated technology - and want to enjoy the classic flair of a Dutch shipyard yacht.

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Boat categoryMotorboats
MotorboatsYacht
ManufacturerNeptunus
Model129 AK Fly
First watering1992
CockpitAft
Rudder2 steering wheels
Control systemHydraulic
FlybridgeYes
CE Design categoryC (coastal waters)
Registration
HarborBrandenburg
FlagGermany
PurposePrivate
Total length LOA (in m)13,8
Maximum width (in m)4,2
Draught (in m)1,15
Clearance height (in m)4,05
Boat identification number751
ColorWhite
MaterialGRP
Hull typeSemi-glider
TypeInboard
Quantity2
Serial number(s)1101046444,110104646
ManufacturerVolvo Penta
Manufacturer CountryGermany
Power in hp306
FuelDiesel
Hours820
To the date25.06.2025
CoolingTwo-circuit cooling
StarterElectric
Motor quantity2
Motors Total power in hp612
Main motor typeInboard
Main engine fuelDiesel
Main engine manufacturerVolvo Penta
Drive formDrive with shaft
Propeller
TypeSingle propeller
MaterialBronze
Wings Quantity3
Bow thrusterYes
Motor controlSingle lever
Fresh water
Fuel gaugeYes
Total liters500
Quantity1
MaterialStainless steel
Waste water
Fuel gaugeYes
Total liters150
MaterialStainless steel
InfoDeck suction
Fuel
Fuel gaugeYes
Total liters1300
Quantity1
MaterialStainless steel
Standing height2
Total cabins2
PositionAft
TypeOwner
Quantity1
InfoBed size 1.86 m x 0.91 m
PositionBug
TypeOwner
Quantity1
InfoBed size 2.04 m x 1.62 m
Total berths5
Bunk typeDouble bed
WC Total2
WC typeElectric
Quantity2
Showers3
Heating
TypeDiesel heating
DescriptionEberspächer
RefrigeratorsYes
TypeElectric
PositionInside
Info2
HobsYes
TypeGas
Quantity1
TypeElectric
Quantity2
OvensYes
MicrowaveYes
SinkYes
AutopilotYes
RadarYes
VHF (radio)Yes
GPSYes
Chart plotterYes
CompassYes
Echo sounderYes
Speed displayYes
Position lampsYes
Rudder level indicatorYes
Rev counterYes
BatteryYes
Starter battery Quantity1
Consumer battery Quantity3
Battery chargerYes
Battery main switchYes
Shore connection 220VYes
Generator3.5 kW
12V connectionYes
SearchlightYes
Underw. coatingYes
Pressurized water systemYes
Hot water systemYes
Anchor chainChain
Anchor winch positionBug
Electric windlassYes
Anchor winch infowith remote control
Anchor harnessPlowshare anchor
Trim tabsYes
Trim tabs indicatorYes
RadioYes
TelevisionYes
TV antennaYes
Deck showersYes
PositionTail
Hot waterYes
Bathing platformYes
Swimming ladderYes
Sea railingYes
DavitYes
Device carrierYes
Folding tool carrierYes
LayoutInside steering position, outside steering position
FenderYes
Mooring ropesYes
Bimini topYes
Flybridge tarpaulinYes
Window coverYes
Bilge pumpAutomatic
Fire extinguisherYes
Life jacketsYes

Overview

ID 10179
Condition
good, well maintained
Manufacturer
Neptunus
Model
129 AK Fly
Year of construction
1992
Length (m)
13,8
Width (m)
4,2
Draught (m)
1,15
Motor manufacturer
Volvo Penta
Drive form
Drive with shaft
Total PS
612
Fuel
Diesel

Location

Vendor
Private
Location
Brandenburg an der Havel
Request to our Yacht & Boat experts
Are you interested in the boat and would like to contact the seller? Please send your inquiry directly to the seller here. We will get back to you within 24 hours at the latest. We will be happy to assist you with the purchase and advise you in all matters. You are therefore welcome to contact us at
+49 30 / 123 6 9595

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Michel Mahlo
Consulting & Sales
Michel Mahlo

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