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    1987 Jongert Motoryacht

    INDIGO SEA | $1,597,000

    Last Updated On: 09/08/2022

    Dania Beach Florida, United States

    4 Staterooms

    5 Heads

    This 1987 Jongert 78 Motoryacht "Indigo Sea" is a custom, one-of-a-kind, transatlantic motoryacht. It is for the yachtsman that demands the finest. She is available at a very attractive price and ready to explore the world! This 78 Motoryacht "Indigo Sea" represents a rare opportunity to purchase a world-class and world-capable yacht of fantastic comfort and pedigree. She was originally launched at Jongert in 1988 at 71’ and then returned to Jongert in 1995 where the original designer added a larger more comfortable aft deck and new European style transom extension, bringing the yacht to 78’, giving her a much greater cruising range with her additional fuel capacity. Proving herself like few other yachts of her size can, This 1987 Jongert Motoryacht made several transatlantic crossings on her own bottom; approx. 100,000+ nautical miles. Her knowledgeable owners have made many fantastic upgrades and gone to great lengths to ensure all of her systems are in top working order; going through the ship from stem to stern servicing and upgrading. The 1987 Jongert 78 just came out of the yard after another $300,000 refit with upgrades. "Indigo Sea" is a Dutch Quality vessel similar to the likings of Feadship, Amels, and Heesen Yachts. With her updated Naiad Zero speed stabilization system she is more stable and comfortable than one can imagine and the zero speed feature allows you to anchor anywhere in total comfort.


    Galati Yacht Sales is pleased to assist you in the purchase of this vessel. This boat is centrally listed by HMY Yacht Sales, Inc.. It is offered as a convenience by this broker/dealer to its clients and is not intended to convey direct representation of a particular vessel


    Quick Specs

    • Vessel Name: INDIGO SEA
    • Builder: Jongert
    • Country: United States
    • Category: Pilothouse
    • Model: Motoryacht
    • Model Year: 1987


    • Cabins: 4
    • Heads: 5

    Hull Information

    • Hull Id: NCZ052920087
    • Hull Material: Aluminum


    • Length: 78 ' (23.77M)
    • Draft: 7' 4" (2.128M)
    • Beam: 19' 5" (5M)

    Speed / Weight

    • Cruising Speed: 10 Knots
    • Displacement: 198000 lbs
    • Fuel Capacity: 4350 G. 16466 L.
    • Water Capacity: 650 G. 2460 L.
    • holding tank: 720 G. 2725 L.

    Engine 1 Information

    • Manufacturer: Caterpillar
    • Engine Type: Inboard
    • Model: 3406B TI
    • Fuel Type: Diesel
    • Horsepower: 540

    Engine 2 Information

    • Manufacturer: Caterpillar
    • Engine Type: Inboard
    • Model: 3406B TI
    • Fuel Type: Diesel
    • Horsepower: 540


    2021/2022 Vessel Upgrades

    11/21 Installed new generator sound shield cover

    11/21 New Weber grill with cover mounted on new starboard platform

    12/21 Electrical upgrades service AC and DC panel connections, installed stair lighting to Master, installed 2 new 15kva isolation transformers and switches, installed new 24v charger

    12/21 Serviced Watermakers

    12/21 Installed all new toilets including all hoses, copper piping and wiring, upgrade and replace

    swim platform shower, install new fresh water pump, install new grey water sender and shower

    sump system in Master

    01/22 Installed new rope lights in master, main salon, dining salon, guest and crew area

    01/22 Installed new tool boxes with all new tools and storage platform above, design, fabricate and

    installed rod holders with removable bar and custom sunshade, fabricated and installed custom

    aluminum shelves in engine room

    02/22 Installed new flybridge stereo system and speakers

    02/22 Installed microwave oven

    04/22 Serviced and cleaned A/C system

    Miami warehouse spare parts, pumps, motors, spare shaft, and plans

    Vessel Overview

    “Indigo Sea” is an incredible vessel. Everywhere you look, you will be amazed by the quality of her

    build. The engines are Caterpillar work engines, not typical yacht engines. The generators are

    commercial equipment, they run at 1200 RPM, instead of 1800 RPM as the new units do now. Everywhere

    you look throughout the yacht; she has massive stainless fittings and you can easily see the quality

    built into the entire vessel.

    The master stateroom is equipped with an ensuite head; The master bath is spacious with Jacuzzi tub, dual

    sinks and large shower, which is aft for complete privacy. The shafts are sealed in oil, then cooled

    by sea water. Chances are you have never seen an oil cooled shaft. This is “big ship stuff”. The advantage of this feature

    is that it is completely quiet and there’s no salt water damage to the shaft. The naval architect that oversaw the previous owners refit stated that these are normally only found on mega yachts. Full real walkaround decks, oversized anchors, and windlass, flybridge with comfortable seating throughout and room enough for any party. All the staterooms have great ventilation with hatches, screens and dorade vents for fresh air. The salon and pilothouse areas have opening windows and screen doors. The screen doors are a work of art. Important to note that because she was originally built to US SPECS, she is a 60 cycle boat.

    Just one small example of the fine quality: the (8) deck chairs, the (4) armchairs and the (2)

    Commodore Steamers on the aft deck is made by Barlow Tyrie. These are the finest English teak

    chairs (all chairs refinished).

    “Indigo Sea” received a fresh bottom paint job in 2021.

    See a complete list of additional updates in the "UPGRADES" section of the listing specifications.

    Vessel Details


    • Full walkaround side decks
    • 71' Hull extension designed and done at Jongert (1996)
    • Teak decks refurbished 2021
    • New Bottom paint job, July 2021
    • Dual Maxwell Windlass, hydraulic w/ remote, NEW 2018
    • (8) Folding teak chairs with upholstered cushions; new chairs 2018
    • (2) 300’ lengths of ½” anchor chain, NEW 2016
    • Kahlenberg air horns (fully rebuilt 2014)
    • High Pressure sea water anchor wash system
    • Bow anchor locker & storage area accessed via a Lewmar deck hatch
    • Bow seating area
    • (2) Life rings w/ ACR SM-2 buoy lights
    • (1) Stand alone life ring
    • Aft deck dining area w/table, seats 6/8 comfortably
    • Ideal aft deck capstan
    • Large aft lazarette storage area
    • Port and starboard aft deck wing doors
    • (2) Spare props for yacht
    • 14’ Custom ultra light Passerelle
    • Side boarding ladder with railings
    • Stainless swim ladder
    • Freshwater shower port side of swim platform
    • Custom built 6 ft cleaning station
    • Engine room access door on port side midship


    The spacious covered aft deck features built-in exterior seating aft, custom teak table and finest

    quality English teak by Barlow Tyrie: (8) deck chairs, (4) arm chairs (around teak table) and the (2)

    Commodore Steamers (all chairs hand finished). There are transom doors, both port & starboard,

    leading down to the swim platform; and a hatch to access the lazarette.


    The expansive Foredeck has built-in seating on the forward cabin top with comfortable

    backrest and storage below each seat, along with storage cabinets both port and starboard. This

    is another lovely private entertaining or sunbathing area.


    The Flybridge offers full instrumentation and is designed for maximum comfort for any party. The

    flybridge is fully covered from fore to aft with a Bimini top with a 2014 3-sided EZ2CY

    enclosure. There are 2 large comfortable L-settees with teak tables, both port and starboard. Aft of

    the settees are the wet bar, featuring sink and Sanyo mini refrigerator. Toward the aft of the

    flybridge are two Chaise lounge chairs & davit located aft of that.

    • Teak deck refurbished 2021
    • Nautical Structures EZ 1500 crane (rebuild 2021)
    • 8 person life raft (New May 2016)
    • BBQ, top of the line, 2014
    • Centerline helm with (3) Pompanette chairs
    • L-shaped seating areas w/cocktail tables
    • (2) Teak deck chairs
    • (2) Chaise lounge chairs
    • (2) Full-size Portable Dometic Refrigerator/Freezer
    • Wet bar
    • Sanyo mini refrigerator
    • EPIRB
    • Bimini top


    “Indigo Sea” features a beautiful and elegant teak interior which can easily be closed off

    from the pilothouse via a recessed door on the forward bulkhead. (3) full size opening windows,

    French doors aft, as well as (3) overhead vents, provide fantastic ventilation throughout.

    • U-shaped dining area seats 6 guests with storage under and behind
    • (3) Full size opening windows and (3) overhead vents
    • All new soft goods (2012) Re-upholstered (2018)
    • Chair w/Storage under Re-upholstered 2018
    • New carpet and 2 LB Soundown (2018)
    • U-Line Icemaker (2014)
    • Entertainment system (2014)
    • New Air Conditioning System including new air handler, new digital control, new wiring and plumbing (2012)
    • HD Direct TV tuner box (2012)
    • Fully appointed wet bar
    • Wempe quartz clock
    • Wempe barometer
    • Wempe thermometer
    • Double French sliding doors w/screens to aft deck
    • (2) Brass wall mounted sconces with lighting
    • Full-size settee w/storage under
    • Samsung 42” flatscreen TV, on push-button electric lift
    • XM Radio / Apple TV
    • New overhead speakers


    Well-appointed full-size galley which has the option of being open, or not, to the dining area and

    salon by way of a hinged privacy panel and door. A full-size opening window and overhead

    ventilation assures plenty of fresh air. All new galley appliances installed about 1 or 2 years ago, as

    reported by owner.

    • Miele 4-burner glass cooktop, NEW 2019
    • Miele full-size dishwasher, NEW 2017
    • Miele full-size oven, NEW 2017
    • SubZero Refrigerator/Freezer (2014)
    • New Air Conditioning System including new air handler, new digital control, new wiring and plumbing (2012)
    • Teak floor in galley (2004)
    • Double basin stainless steel sink
    • Panasonic turntable microwave oven
    • Keurig espresso/coffee maker
    • (3) GFI outlets


    “Indigo Sea” features a well laid-out Pilothouse with a removable helm leaning post, port and

    starboard wing doors (w/screens) and an L-shaped dinette/seating area. There is also a day head

    that serves the entire main deck, with wood paneling and a decorative sink located aft under the

    ladder to the flybridge and a very large full-size chart table area forward.

    • Radar antenna (2020)
    • Rebuilt helm panel structure to accommodate new electronics (2018)
    • (1) Garmin 8616 Display (2020)- On bridge as well
    • (2) Garmin Radar RD-30 Displays (2018)
    • (1) Garmin 7616 Display (2018)
    • Garmin universal AIS (2018)
    • Simrad AP70 Autopilot w/remote (2018)
    • ACR URC-100 200W spotlight control
    • Icom VHF (2018)
    • ZF Digital electronic shift Throttle controls (2016)
    • Naiad Zero Speed Stabilizer controls (2014) New
    • Full size chart table w/drawers


    Accessed via watertight door in the starboard guest cabin or port side main deck. Well designed with full walkaround main engines and excellent access to generators.

    • (2) Caterpillar 3406B TI main engines rated at 540hp Current hours 2900 since 2018 SMOH
    • Cruise 10.5 knots at 1650 RPM and 20 GPH
    • Engine and generator coolers flushed (2020)
    • Aftercoolers and heat exchanger fully serviced and cleaned (2018)
    • All new marine exhaust system - Mains and generators (2020)
    • Redesigned A/C system layout in engine room (2020)
    • New port transmission (2020)
    • New engine room blowers (2020)
    • Main engine heat exchangers fully serviced and boiled out (2018)
    • All main engine injector lines removed, tested and re-installed (2018)
    • New Westmar dual prop bow Thruster (2018)
    • Wagner steering pump, hydraulic rams, hoses, fittings (2018)
    • New Jastram Steerim Hydraulic Steering system (2017)
    • Naiad Zero Speed stabilizers (2014)
    • (2) Fixed manual Halon fire extinguishing systems, battery room & engine room (new 2013)
    • New watermaker (2013)
    • 40 gal air tank with a 220V compressor and a 24V compressor (2012) $
    • (2) Engine room extractor fans/blowers (2012)
    • (3) New A/C Chillers including all new air handlers, digital controls and plumbing throughout vessel (2012)
    • (2) Galvanic isolators (2010)
    • (12) Portable fire extinguishers (6 foam, 4 Co2, 2 dry powder)
    • New PTO added to Starboard Engine and Starboard Generator


    • (2) Northern Lights 30kW generators (complete rebuild to Zero Hours in 2018) with 2500 hours since rebuild
    • Generator coolers flushed (2020)
    • New starboard generator starter (2020)
    • (2) New generator water pumps (2018/2020)
    • New injectors on both generators (2018)
    • New fuel lift pump for starboard generator (2018)
    • (2) New generator regulators (2018)
    • 110 volt electrical panel, July 2015
    • Victron inverter/charger (2012)
    • (2) 50/60 cycle A / Sea World Wide transformers
    • (4) Mastervolt 100 amp battery chargers
    • KVH Sat TV - M-7


    The large master stateroom is accessed via its own private companionway from the aft end of the

    salon ensuring complete privacy from crew and guests.

    • Centerline queen berth with storage under
    • Large amount of hanging locker and cabinet space
    • Ships safe
    • Gun closet within locker
    • LED lighting (2018)
    • New Carpet with 2 lb. Soundown added for maximum sound insulation (2018)
    • LG 42” flatscreen TV
    • Bose surround sound system
    • Sony Blu-Ray disk player
    • HD Direct TV box
    • Zeno Mattress
    • New Air Conditioning System including new air handler, new digital control, new wiring and plumbing (2012)
    • Custom built desk area to port (2009)
    • Overhead escape hatch to aft deck
    • (4) Opening ports w/screens
    • Wempe quartz clock
    • Wempe barometer


    • Vanity w/ his & her sinks
    • Full size Jacuzzi tub
    • New LED lights (2012)
    • New Air Conditioning System including new air handler, new digital control, new wiring and plumbing (2012)
    • Full size tiled stall shower
    • Microphor and bidet
    • Opening port w/ screen
    • GFI outlet
    • Extractor fan


    • Accessed via the forward companionway from the pilothouse
    • Queen berth (2012)


    • Accessed via the forward companionway from the pilothouse
    • (3) Twin berths (2012)
    • Entrance door to the engine room
    • Opening port w/ screen
    • Large hanging locker
    • Good drawer storage (2012)
    • New Air Conditioning System including new air handler, new digital control, new wiring and plumbing (2012)
    • Wempe quartz clock
    • Wempe barometer
    • Miele Washer (2012)
    • Miele Dryer (2012)


    • Vanity w/sink
    • Opening port w/screen
    • Full size stall shower
    • Microphor
    • Extractor fan
    • GFI outlet


    The extremely knowledgeable, wealthy yachtsman that built the boat originally had several

    production boats. He wanted the finest yacht available that could cross the Atlantic and tour

    Europe and the Americas; no expense was spared. He chose Jongert for several reasons:

    1. Finest Dutch quality. Dutch then and today, some of the finest builders in the world.

    2. Their boats routinely circled the globe.

    3. The joinery work is incredibly finished.

    4. He wanted a boat with a Lloyd 100A4 certificate. Note that almost all boats built today and

    then are “built to ABS or Lloyds standard”. They do not have a certificate. There is no one

    from outside to certify that the builder really met these standards when built.

    5. He wanted an all aluminum boat, weight saving and great strength.

    VESSEL UPGRADES 2019- AUG 2021

    • Approximately $300K spent on boat (Just came out of the yard)
    • Teak decks refurbished
    • All varnish stripped and rebuilt
    • Hull painted
    • LED Lighting
    • Rebuilt crane
    • Engine room redesigned and relocated systems, like A/C systems and all new generators and main engine exhaust systems by Marine Exhaust in Palm Beach.
    • Major service on oil sealed shafts-Both oil sealed shafts rebuilt 6/2020
    • Instahot water heater
    • Hull plate soundings survey
    • Engine cooling system flushed
    • New port transmission
    • New main engine exhausts
    • New generator exhausts
    • New Garmin 8616
    • New radar antenna
    • New engine room blowers
    • Rebuilt both oil sealed shafts

    VESSEL UPGRADES – 2018/2019 as reported by owner

    • Wheelhouse settee - recovered - completely converted to a watch berth or full berth with custom
    • mattress. Easily converted from one to another. Can use day head if needed.
    • New Carpet, settee, chairs redone
    • New dual station Simrad AP-70 top of the line commercial Autopilot
    • New Jastram steering system - dual station, Jog levers, Three system steering systems on boat
    • Two new Garmin GPS 8617 - top of their line; other two lower station Garmin 7616 and 8617 (4) total on yacht
    • New Garmin Radar; 2nd Garmin radar 2 years old
    • New antenna base (2020)
    • VHF Radios, New
    • Remote switches for the anchors; anchors dual independent hydraulic

    VESSEL UPGRADES - 2017/2018 Refit as reported by owner

    • New Teak decks
    • Major work on both engines: Over $100,000
    • Both generators to Zero hours: Over $100,000; Factory recommended rebuild over new. About the same price but our generators are like tanks. These are massive industrial size generators
    • Custom sound shields for generators. 1200 RPM so were quiet, now very quiet.
    • Upgraded electrical system by Lean Marine; $25,000
    • Removed entire hydraulic system and replaced with state-of-the-art system. PTO’s on second engine and second generator. Now if we lose an engine or generator no problem with loosing steering, bow thruster, etc.
    • Second PTO on Generator for Zero Speeds if we lose one.
    • Remove entire raw water system, rebuild, and replace
    • Many new electronics even though old was only 4 years: Radar, Autopilot, GPS, AIS, etc.; all top of the line
    • New freshwater system - two Headhunter pumps
    • All heads removed and sent to factory for complete rebuild
    • Clean and pressure test all tanks - fuel, black & grey water
    • New dual prop bow thruster - tremendous difference; really moves the boat
    • Replaced single electric anchor windlass with dual independent hydraulic windlasses
    • Windlass literally tears the anchor off the bottom
    • Stripped the rails to bare wood and 14 coats fresh varnish
    • New custom lightweight Passerelle
    • New custom boarding ladder

    VESSEL UPGRADES - 2016/2017

    • Replace manual engine controls with electronic; needed for below
    • Wired hand-held docking remote - not only engine controls adjustable but also bow thruster; can be plugged in fore or aft; makes docking very easy
    • Top of the line BBQ installed on flybridge
    • All new galley appliances installed


    • Balance and true Shafts and Props
    • PropSpeed applied
    • New zincs
    • New 110 volt electrical panel installed
    • Liferaft recertified
    • Fire system recertified
    • Black & grey water tanks professionally cleaned
    • Bilges steam cleaned
    • New ZF/Mathers controls (these convert present mechanical engine controls to electric at both stations) with wired handheld remote with 25 feet of cable (plugs for and aft for remote; wired chosen over wireless as it controls: forward & reverse; adjusts throttles; controls thruster; has engine kill switch; makes docking & anchoring easier)

    VESSEL UPGRADES - 2013/2014

    • Paint entire boat including bottom
    • New Naiad Zero Speed Stabilizers
    • New SubZero Refrigerator/Freezer
    • New Bridge helm instrument panel
    • Many upgrades to helm stations such as cameras, electronics, etc.
    • Remove oil sealed shafts and replace with all new parts from Rudder Design Holland
    • Remove rudders and replace with Rubber Design; all new parts.
    • New entertainment system
    • New warning system, alarms for theft, fire & carbon monoxide
    • New Flybridge 3-sided enclosure
    • New windscreen on Flybridge
    • Remove salon doors, strip and re-varnish w/ 14 coats
    • Windlass complete rebuild in Rhode Island
    • Anchors sand blasted and re-galvanized
    • New 600’ of chain
    • 2 New custom hot water heaters
    • New Head Hunter black water pump
    • Rebuild grey water pump
    • Professionally clean black, grey and fresh water tanks
    • Rebuild engine controls
    • Rebuild Auto Pilot
    • All work supervised and overseen by Murray & Associates Naval Architects
    • Much more
    • Over $750,000 approximate

    VESSEL UPGRADES 2012/2013

    • Carpentry: $200,000 plus approximate
    • Forward crew quarters to VIP queen with all new added head & shower in two separate rooms
    • All new crew quarters with 3 berths (2 prior), storage and new Miele Washer & dryer
    • Add third Pullman berth to guest quarters
    • New proper ladder to bridge with railing
    • All work was designed and supervised by Murray & Associates Naval Architects
    • Electrical: $150,000 plus approximate
    • All new overhead LED lights inside
    • All new LED lights outside & flybridge
    • All new lighting on stairs
    • All new top of the line batteries:
    • Gel Engine start
    • Emergency batteries on flybridge
    • A/Sea worldwide power converters added 50/60 cycles (2) new, $50,000 approximate
    • Entire boat electrical system upgraded as necessary
    • New bow and stern power inlets
    • Decorator: $70,000 approximate
    • All new top of the line HMC mattresses
    • All new carpet with 2 lb Soundown & canvas covers, Salon & Master Stateroom; this makes a tremendous difference in providing noise-free environment
    • All new double drapes
    • Re-cover sofa, chairs, dining settee & wheelhouse settee
    • All new headboards
    • New lighting
    • Completely replace entire A/C system with top of the line chiller system. Three new chillers (2prior). All new air handlers throughout entire boat. All new electronic controls. New insulations, ducts, etc.
    • *Dates and cost approximations for upgrades & services provided by current owner.



    Why Purchase a Jongert Yachts Motoryacht from Galati Yacht Sales

    Because we have one simple philosophy: Always take care of our customers, and one company wide mission statement: Consistently exceed our customer’s expectations. It’s a philosophy and mission that has been the core of who we are since the start of our company in 1970. Today, more than 50 years, 16 locations, and three generations later, we have not wavered from our core and ethics. Every team member at Galati Yacht Sales is there for you every step of the way...before, during, and after the sale, to assure your time on the water in this Motoryacht is filled with great memories. Looking for more Jongert Yachts? Browse through our Used Jongert Yachts for Sale

    Disclaimer: 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.

    Mechanical Disclaimer: 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.

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