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1983 145' Turquoise Proteksan

$ 2,309,850 USD

Monaco, MC

Costa Magna

Turquoise 145' Proteksan

COSTA MAGNA’s notable features include a yawning teak-decked flybridge with multiple lounging areas forward and aft. A second helm with duplicate controls affords a great vantage point from which to cruise. An on-deck spa Jacuzzi with banquette seating and al fresco dining opportunities invite the best of the yachting lifestyle, while a Bimini top provides ample shade throughout the day.

COSTA MAGNA boasts a flexible layout, silent cruising, low fuel consumption and a large interior volume.

COSTA MAGNA presents a rare opportunity to acquire a displacement hull yacht in her size range that is competitively priced and a proven bluewater cruiser. 


SYS Yacht Sales 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.

SYS Yacht Sales is pleased to assist you in the purchase of this vessel. This boat is centrally listed by IYC Monaco.


  • Category Power
  • Condition Used
  • Hull Material Steel
  • Make Turquoise
  • Model Proteksan
  • Boat Name Costa Magna
  • Length Overall 146'
  • Model Year 1983
  • Beam 24'
  • Fuel Tank1 x 90055|liter
  • Heads 6
  • Max Speed 15 kn
  • Cruising Speed 12.5 kn
  • Length 145'
  • Fresh Water 1 x 20014|liter
  • Range 5,753.9 mi

Full Details


Main Deck

The large OWNER’S SUITE is forward on the main deck. The foremost part occupies the full width OWNER’S BATHROOM finished in rose pink marble. The bathroom has access through doors on the port and starboard sides.

Amidships is a large marble bath. On the starboard side of the bath is a bidet and a washbasin. On the port side are the toilet and a washbasin. Next is the centrally positioned king size bed with bedside tables on either side. On the port side of this stateroom is a sofa. Further aft is the OWNER’S STUDY. To starboard is a desk and executive chair.

Opposite is a sofa and chair and a coffee table. This cabin has ample locker and hanging space.

On the starboard side of the aft bulkhead is a door giving private access to the ondeck bathroom with a head and washbasin (access for guest is from the passage way running down the starboard side).

Access to the owner’s quarters if from this starboard side passageway. Here is access up to the wheelhouse and down to the guest quarters.

Amidships, through a door from the passageway, is the L-shaped GALLEY and PANTRY AREA.

Forward to port are the stairs leading down to the crew’s quarters.

Aft is the DINING ROOM with a large round table for ten guest. and the MAIN SALOON which has an intimate central seating area with two sofas facing each other. There are two sliding doors leading from the saloon to the large AFT DECK.

Lower Deck

From forward is the CREW AREA with to port an UPPER and LOWER BERTH CABIN and to starboard an UPPER and LOWER BERTH CABIN with a bathroom ensuite including a shower, head and washbasin. Aft to port is a bathroom with a shower, head and double wash basin. Aft to port is a TRIPLE BERTH CABIN. The CREW MESS has a dining table with a U-shaped settee. There is a video library with a television and video recorder. In the starboard corner is an electric Miele 4burner ring stove and double stainless sink. Along the aft bulkhead are large refrigerator and deepfreeze storage. Aft to port of the crew mess is the LAUNDRY AREA. Aft (through a watertight door) is a walkin COLD DRY STORE. Aft to port is a bathroom with a head. Aft of this is a TWIN CABIN with upper and lower berths. Then there is the stairway for the crew access to the main deck. There is an emergency crew exit from the forward crew cabin.

Aft, through a door, is the crew service access to the lower deck GUEST ACCOMMODATION. To starboard is a DOUBLE BEDDED CABIN with a bathroom ensuite including a bath with a telephone type shower, a double sink and an adjoining head and bidet area. The cabin is equipped with a radio cassette and an internal phone. There are hanging lockers and drawers. Aft to port is a small TWIN BEDDED CABIN, which has two berths, installed, one athwart ships and one the length of the vessel. Aft to starboard is a DOUBLE BEDDED CABIN with a bathroom ensuite with a bath, a double sink, adjoining bidet and head area. This cabin has a sofa, radio cassette player and internal phone. There are hanging lockers and drawer space. Aft to port is a TWIN BEDDED CABIN with a bathroom ensuite with a shower stall, a double sink and adjoining head and bidet area. The cabin is equipped with a radio cassette player and an internal phone. There are hanging lockers and drawer space. There are storage cupboards in the hallway.

From the engine room there is a possibility of access to the GARAGE with a lift to aft deck (not in use presently).

Access is through the hinged aft bulwarks and ramp to the shore.

Upper Deck/Sky Lounge

Forward the wheelhouse is L-shaped, with the radio room area on the port side and the entrance to the CAPTAIN’S CABIN on the starboard side. The captain’s cabin has a single bed that can be opened to form a double bed. There is a desk and an ensuite bathroom with a shower, head and washbasin.

From the radio room area is a door leading to a short passageway from which is access to a DAY POWDER ROOM and to the SKY BAR. This has a L-shaped seating to port and to starboard and a bar with a stainless steel sink and an Electrolux frigo bar with icemaker. Double sliding doors lead onto the UPPER DECK with a large dining table and 2 additional dining/coffee tables with banquette seating. The JACUZZI DECK is adjacent and has a spa Jacuzzi with banquette seats on either side. There is teak decking throughout.

Up from a corridor is access to the FLYBRIDGE AREA, which is teaked. There is a steering consul amidships with a bench seat with duplicate controls. An extension was constructed in 1999 to give a total of 60 m². There is a bimini top over the fly bridge.




2 x 867hp G.M. engines type 12V 149T diesels

Engine hours: 51000

Propellers: 4 Bladed, Bronze

Gearbox: Twin disc gear boxes


2 x 115 kW Stamford generators driven by 671 Detroit diesels with Centek silencer/water separators.

Generator hours: 8.685

Voltage: 24V / 220V, 3 phase


Main engines:

4 x 200AH – 12V Acid type

Service Batteries:

6 x 160 AH 12V Gel type

Emergency Batteries:

2 x 160AH 12V gel type

Generator Batteries:

2 x 200AH 12V Acid type


380V 220V, 3 phase, 50 cycle & 24V

Bow thruster:

John Deere 6068TFM50 Diesel engine

Sauer Danfos Hydraulic Pump

Hardy Engineering Hydraulic Motor

Fuel separator:

Alfa Laval separator


4 x fan coil AC compressor (each cabin has its own modular air conditioning unit)

Fridge system with new compressors, seals and full revision 2001 & 2002

Waste water treatment:


Oily water separator:

Facet Intl

Toilet system:





2 x Koopnautic



A/V System


Seatel satellite television system

2010/5 decoders Television and video in saloon 1998

5 x televisions and videos in guest cabins 1999

Television and video in crew mess 2009


Nera Saturn M Satellite telephone system

Music System

6 x Bang & Olufsen Music CD systems 1998

IPod and dock

Safety and Security

EPIRB : SOLAS SART: SOLAS Line Throwing Appliance: Speedling

Life Rafts : 2x Zodiac 12 Man. 3x DSB 12 Man + 1x12 Man

Life Jackets: 53 x SOLAS approved life jackets

Fire Fighting Equipment : 29 x fire extinguishers – yearly checked

New fire alarm system installed in engine room 1999 Breathing apparatus for 2 fire fighters with complete

SOLAS approved suits

Life rings : 2 x Man overboard life rings and lights SOLAS

Ship Alarms: Furuno FA 150

Bilge & Fire Pumps: Custom

Searchlight : Yes

Security Cameras: Ikegani video security system

Ship Safes: Yes

Communication Equipment

Inmarsat: C

Navtex: ICS Navtex (GMDSS)

Broadband Internet: D-Link

GSM: Yes

SSB radio: Sailor

Mini M: Saturn M

Telephone: Panasonic electronic telephone system

Bang & Olufsen and Siemens telephone handsets

Icom GM110 DSC panel (GMDSS)

VHF handheld radio: Sailor VHF RT 2048 (GMDSS)

Navigation Equipment

Magnetic compass: Anschultz Keil

Gyro compass: Anschultz gyrocompass

Depth sounder:

Autohelm depth sounder and speed log

Furuno colour echo sounder


Anschultz autopilot

TMQ Bosun autopilot (2nd autopilot)


Arpa Raytheon M25 radar (conforms to GMDSS)

Furuno 72 mile radar

Electronic chart system: C-Map


FSN 70 satellite navigator Furuno GPS Navigator

GP 80 (2 x GPS)

Furuno Universal AIS

Instrumentation system (wind speed & direction): VDO wind indicator and wind speed

Deck Equipment

Anchors & Chain: 2 x 210kg, 2 x 170mm 21mm diameter


2 x Cramm Engineering cranes

1 x Sanguinetti telescoping hydraulic 1000kg

Windlass: Type Electro Rossi

Passarelle: Hydraulic type 24DC 24.C.002 “PIN Craft”

Bathing Ladder: Pin Craft

Stern Capstans: Rossi type MRV 126F07 1.1kw



Large American Style

Deep freeze and refrigerating cold room

1 x Oven


Large commercial Zanussi 4burner stove and ovens

2 x large Zanussi electric plates and deep fryer

Microwave: Dimension 4 microwave

Icemaker: Brema icemaker

Dumbwaiter: Yes

Dishwasher: Miele dishwasher

Washing machine

1 x Faure 7kg

1 x Whirlpool 8kg

1 x Haier 6kg


1 x Ariston 8kg

1 x Whirlpool 9kg

1 x Solopex 6kg

Tender & Toys

1 x Novamarine 450 tenders turbo jet propellers

2 x Yamaha Wave Runners


2 x 2 person kayaks


The 2019/2020 refit included:

AC System serviced including replacing 1 compressor/cooler unit

Galley Cookers / Oven serviced

Rebuilt/replaced Jacuzzi control units

Replaced Service Batteries

Replaced Generator Batteries

Rebuilt Starboard Alternator on Generator

Rebuilt Main Steering Hydraulic rams

Rebuilt Stabilizer rams Starboard

Replaced all Shaft cutlass bearings Starboard and Port

Teak decks Main deck and Swim platform rechaulked and sanded

5-year Bureau Veritas Classification survey completed

The 2018 refit included:

New carpets throughout

Refurbishment of soft furnishings in guest staterooms

The 2015 refit included:

Hardwood floors installed on main deck corridor, stairs leading to bridge/bar, as well as bar,

corridor, bridge and office.

New flat screen TV installed on jacuzzi deck

5 year Bureau Veritas Classification survey completed.

The 2013 refit included:

New custom Scottish fine wool carpeting throughout

New soft furnishings in Saloon

Full Algrip Painting hull and superstructure

Television installed on Jacuzzi deck

The 2011 refit included:

Addition of numerous safety equipment to comply with new licence to carry 45 passengers.

Superstructure repainted.

New teak on upper deck

Installation of Jacuzzi and adjacent lounging area.

New crane installed on bow.

Tenders relocated to bow

Modification/silencing of generator exhaust systems.

New cushion covers on Flybridge.

New covers/decoration on upper deck.

The 2010 refit included:

Full exterior paint and varnish

The 2006 refit included:

New carpets throughout main deck and Owner’s area

New wooden blinds installed main deck and sky lounge

All new upholstery in the sky lounge

New upholstery in the dining room

New interior design of the main salon to the last details

Owner’s cabin has all new fabrics and interior design

New carpets in Sky Lounge/bar

The refit in 2003/2004 included:

Installed new sewage system (Hamman plant)

Installed new bow thruster

Installed new air conditioning system (Heinen & Hopman)

Installed new fridges compressor

Installed new stabilizers (Koop Nautic)

Built a swimming platform including a swimming ladder

Built hydraulic gangway

Complete overhaul of the 2 main engines

Complete overhaul of the 2 generators

Galvanized the chains and anchors

Replacement of seawater manifold after sea chests and all the valves on that manifold.

Alignment of the 2 propeller shafts

Replacement of the 2 propeller shafts

Changed the 2 boilers

Repaint the inside of the freshwater tank

Change of the deck plate in the floor salon (aft part)

Built a bow storage

2 Yamaha wave runners

2 Novamarine FH 450 170hp (2005)

Installed a new hydraulic rudder plant

Thickness measurement of the hull (under water line area) and replacement of the weak area.

Re-caulking of the decks

Replacement of the deck in the following area: upper deck, 2 corridors, main deck, and aft deck.

Replacement included teak, lamination, and inspection of the deck plates.

Replacement of the ceiling (including electric wires) of the 4 outside corridors

Change all the appliances of the galley (stove, oven, fridge)

Enlargement of the bed in the master cabin.

Painting of the hull (outside part)

State of the art TV & stereo system.

The refit in 2001/2002 included:

Sandblasting of under water hull

Application of new antifouling

Installation of new grey water tank and respective pipe work

Installation of new cathodic system

New tail shafts and stern tube glands

New teak decking on the foredeck and on the fly bridge deck

General maintenance of main engines and generators

Build-up coat of antifouling

Painting with Awlgrip paint system by Pinmar

The refit in 1999/2000 included:

Two new cranes (Cramm) and two new tenders (Novamarine)

New teak decking on the wheelhouse deck

New sundeck area

New seating on aft deck

Fly bridge extension giving a total of 60sq meters

Superstructure painted

Installation Sea-Tel satellite system

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