Neptunus Yachts is proud to introduce the 2026 Neptunus 650S.
A yacht with downtown distinction inside and out. A new exterior profile with contemporary flowing lines.
A re-imagined interior delivering a new level of elegance with clean lines and refined touches.
Fully stabilized for your comfort while underway or at anchor. And now with integrated solar panels and lithium batteries for perfect quiet when your surroundings deserve it.
Providing speed when you want it, safety when conditions demand it, and simplicity for tight space manoeuvres.
All in a yacht which is highly personalized and exemplifies the highest standard of craftsmanship.
Enjoy the renderings from Gregory C. Marshall Naval Architect, Ltd.
NEPTUNUS 650S Galleries
Specifications
| LOA: | 66’4″ |
| Beam | 16’7″ |
| Draft: | 4′ 8″ * |
| Dry Weight: | 78,000 lbs |
| Fuel: | 1,100 Gallons |
| Water: | 300 Gallons |
| Waste: | 130 Gallons |
| Engines: | Twin CAT C18 ACERT @1136 HP each |
| Generator: | 25kW CAT C2.2T |
| Maximum Speed: | 31 Knots* |
| Cruising Speed: | 26 Knots* |
Highlights
- New contemporary exterior profile
- Re-imagined interior with penthouse elegance
- Highly personalized for you and your family
- Interior staircase to flybridge for comfort and convenience
- Three stateroom, three head design
- Luxurious full beam master stateroom and ensuite
- Hand crafted natural walnut woodwork throughout the vessel
- Flybridge features electric sunshade aft
- Full glass flybridge windscreen with slight wrap-around
- Designed and equipped for ease of handling in tight spaces by owner-operator
- Fully stabilized for comfort underway or at rest
- CE Category “A” designed and built for safety when conditions demand
- Neptunus Solar System including integrated solar panels, and lithium batteries for quiet at anchor
- Starlink Mini with router for internet connectivity
- Well appointed crew quarters
Major Equipment
Vessel Interior
Re-imagined interior with penthouse elegance, clean lines and refined touches
Three stateroom, three head layout
Highly personalized for you and your family
Interior staircase to flybridge for comfort and convenience
Hand-crafted walnut woodwork throughout the vessel
Luxurious U-shaped seating in salon
Full beam master stateroom with king berth and contemporary ensuite
Sweeping master stateroom windows with opening ports providing generous natural light and the option of gentle breezes
Hardwood flooring in salon, galley, dinette and hallways
Quartz countertops in galley
Stainless Steel fridge/freezer/icemaker
Ceramic 4-burner stove top, 24″ oven, convection microwave, and dishwasher
JennAir beverage center on port side of galley
Coffee center including Jura coffee maker with One-Touch Cappuccino
24″ front load washer, 24″ front load dryer, stacked
Custom stainless handrails, leather bound with French stitching
Crew quarters with berth, shower, toilet and sink
Flybridge
Interior and exterior staircase access to flybridge
Custom carbon fibre hardtop
Solid glass panel forward with slight wrap-around
Windshield wiper forward of center helm
3/4 flybridge enclosure
Custom helm trimmed in leather with carbon fibre panels
Dual Electric Melfi helm seats with custom leather upholstery, stainless steel pedestals
Single 16,000 BTU A/C system for flybridge area
L-shaped seating with custom table on port
Electric opening sunshade aft, integrated with hardtop
Cabinet with BBQ on port, cabinet with sink on starboard
Traditional teak decking on flybridge
Vessel Certification
CE Category “A” – Ocean Certified Vessel
Mechanical and Deck Equipment
Twin CAT C-18 ACERT engines, 1136 HP each
20kW CAT C2.2 generator with sound enclosure
Seakeeper 10 computer-controlled gyroscopic stabilizer system
15 HP proportional bow thruster (Side-Power)
15 HP proportional stern thruster (Side-Power)
Bow and stern thrusters feature 5-stage “dock hold position”
Wireless Yacht Controller
Battery charger for house system
Battery charger for engine start and thruster system
Solar panels integrated on flybridge hardtop
Custom house battery system with lithium batteries
Dual ASEA Marine Shore Power Isolation Transformers with Auto Boost
Dual Inverter System for seamless power transfer (Generator-Shore Power)
Auto start on generator
Chilled water air conditioning system – dual 48,000 BTU VARC units with underwater discharge
High speed fuel fills for both fuel tanks on port, and also on starboard
Traditional teak decking on cockpit, flybridge, and exterior steps
High gloss mahogany table for cockpit with stainless steel pedestals
Opening side windows in salon and dinette
Heavy duty stainless steel railings
Maxwell 3500 electric windlass with 160′ of chain
100lb. Stainless Steel anchor (Ultra)
Eight heavy duty mooring cleats, two cross-tie cleats
Custom carbon fibre flybridge hardtop
Single 16,000 BTU AC system on flybridge
3/4 flybridge enclosure
Electric opening sunshade aft on flybridge
Air horn, dual trumpet by KahlenBerg
Carbon fibre hydraulic swim platform with teak, rated for 850 lb. dinghy
Center transom door for entry to crew cabin
LED courtesy lights on all steps/risers
Dual 24V water pressure pumps with accumulator
Dual Racor fuel filter system with vacuum gauges
Six bilge pumps with high water alarms, three with counters
Stainless steel propeller shafts with maintenance free, water-lubricated cutlass bearings
Black windshield netting (front only)
Five-bladed Nibral propellers
Oil change system for engines, transmissions and generator
Dual 50 Amp shore power connections, two Cablemasters with 75′ of shorepower cable each
Three underwater lights
Five layers of Interlux 2000 and two layers of Interlux CSC anti-fouling bottom paint
Navigation Electronics (Flybridge helm)
Dual Raymarine 19″ Axiom Multifunction Displays with ClearCruise Augmented Reality
Raymarine Cyclone Pro Radar with Doppler target tracking and CHIRP, 96 NM, 4′ open array
Raymarine I70S 4″ Multifunction Display for depth/speed and wind direction/speed
Raymarine Evolution Series Autopilot with remote
Cockpit camera (1) and engine room cameras (2) linked to displays
Raymarine Class B AIS receiver
Dual Raymarine RS150 GPS receivers
Raymarine weather channel receiver
Dual Icom M424g VHF
Entertainment Systems
Starlink Mini with Router for high speed internet
49″ QLED HD LED TV in salon
32″ HD LED TV in master stateroom
24″ HD LED TV in forward stateroom
24″ HD LED TV in guest stateroom
Sony Sound Bar with surround sound in salon (Bluetooth, NFC)
Sony Subwoofer in salon
Bose Wave system in master and forward cabins
Fusion stereo system on flybridge, with remote control in cockpit
Four JL Audio outdoor speakers for flybridge
Two JL Audio outdoor speakers for cockpit
24″ HD LED TV in crew cabin



