2023 Sirena Yachts
“VIAKAREY”
Description
DH Yacht Sales is pleased to assist you in the purchase of this vessel. This boat is centrally listed by Northrop and Johnson. 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
Overview
Key Specifications
Weight & Measurements
Accommodation
Tankage
Engines
Full Details
HIGHLIGHTS
2. Winner of the Revelation of the Year World Yachts Trophy
3. Seakeeper 9000 Gyro Stabilization
4. Over $600,000 in upgrades during build
5. American-flagged, US Duty Paid, with US delivery available
6. Outstanding three-stateroom layout with en-suites, plus crew
7. German Frers' Naval architecture and design work
8. Tried, tested, and equipped for long-range family cruising
HIGHLIGHTS
2. Winner of the Revelation of the Year World Yachts Trophy
3. Seakeeper 9000 Gyro Stabilization
4. Over $600,000 in upgrades during build
5. American-flagged, US Duty Paid, with US delivery available
6. Outstanding three-stateroom layout with en-suites, plus crew
7. German Frers' Naval architecture and design work
8. Tried, tested, and equipped for long-range family cruising
OVERVIEW
The Sirena 58 VIAKAREY is designed to perform efficiently across a wide range of speeds, with a displacement mode that allows extensive range for long cruising legs and a planing mode that provides faster cruising speeds to optimize time. With comparatively low fuel consumption, Sirena Yachts and German Frers have created a hull capable of carrying her owners on long passages, and the stability and comfortable ride ensure they will enjoy the voyage.
The volume of the hull is quite large for her LOA, allowing the available space to be used to create a more open layout than is common on a boat of this size, with lines of sight and headroom more typical of a much larger yacht. The result is a combination of clean lines and airy spaces that help to focus the mind while relaxing the body.
VIAKAREY is offered by her original build owner following an amazing Mediterranean cruise, shipment to the United States, and light use in South Florida and the Yucatán Peninsula.
VIAKAREY’s interior, imagined by Tommaso Spadolini, is a bright, modern sanctuary marked by expansive hull portlights in the primary and VIP staterooms and striking glasswork throughout the main deck. Her main salon is midship, filled with natural light, and effortlessly transitions between lounging and dining for six to eight guests. The galley is full-beam and aft, offering direct access to both interior and alfresco dining areas, with generous storage and five-star culinary capability.
Accommodations aboard are smartly arranged, offering a three-stateroom layout with en-suites, plus crew quarters for two. The full-beam primary suite sits midship and features a centerline king berth, his-and-hers hanging lockers, lounge settees, and a large en-suite with stall shower. The VIP stateroom is forward with a queen island berth, ample storage, and its own private head and shower, while the guest cabin features twin berths, a hanging locker, and en-suite bath.
Outdoor living is where VIAKAREY truly shines. Her foredeck is designed for versatile relaxation, with a convertible sunpad, pop-up mood lighting, and a built-in settee and dining table, all shaded by optional carbon poles and awning. Wide walkarounds lead to a well-sheltered aft cockpit, where a centerline settee and dining table sit beneath the flybridge overhang. Water access is seamless via transom steps port and starboard, while large sliding glass doors and a pantograph side door connect indoor and outdoor spaces with ease.
Above, the flybridge offers a vast, well-appointed escape rarely seen on a yacht of this size. The helm station delivers superior control and comfort with clear sightlines, while guests enjoy a convertible lounge, built-in dining area, and a full suite of amenities: grill, drinks fridge, ice maker, propane hob, and teak decking with max thickness option. A carbon fiber hardtop with electric awning adds flexible shade to this social centerpiece.
Tried, tested, and optimized for long-range family cruising, VIAKAREY combines the assurance of Sirena’s proven platform with bespoke features and upgrades tailored to the lifestyle of a modern yachting family.
OVERVIEW
The Sirena 58 VIAKAREY is designed to perform efficiently across a wide range of speeds, with a displacement mode that allows extensive range for long cruising legs and a planing mode that provides faster cruising speeds to optimize time. With comparatively low fuel consumption, Sirena Yachts and German Frers have created a hull capable of carrying her owners on long passages, and the stability and comfortable ride ensure they will enjoy the voyage.
The volume of the hull is quite large for her LOA, allowing the available space to be used to create a more open layout than is common on a boat of this size, with lines of sight and headroom more typical of a much larger yacht. The result is a combination of clean lines and airy spaces that help to focus the mind while relaxing the body.
VIAKAREY is offered by her original build owner following an amazing Mediterranean cruise, shipment to the United States, and light use in South Florida and the Yucatán Peninsula.
VIAKAREY’s interior, imagined by Tommaso Spadolini, is a bright, modern sanctuary marked by expansive hull portlights in the primary and VIP staterooms and striking glasswork throughout the main deck. Her main salon is midship, filled with natural light, and effortlessly transitions between lounging and dining for six to eight guests. The galley is full-beam and aft, offering direct access to both interior and alfresco dining areas, with generous storage and five-star culinary capability.
Accommodations aboard are smartly arranged, offering a three-stateroom layout with en-suites, plus crew quarters for two. The full-beam primary suite sits midship and features a centerline king berth, his-and-hers hanging lockers, lounge settees, and a large en-suite with stall shower. The VIP stateroom is forward with a queen island berth, ample storage, and its own private head and shower, while the guest cabin features twin berths, a hanging locker, and en-suite bath.
Outdoor living is where VIAKAREY truly shines. Her foredeck is designed for versatile relaxation, with a convertible sunpad, pop-up mood lighting, and a built-in settee and dining table, all shaded by optional carbon poles and awning. Wide walkarounds lead to a well-sheltered aft cockpit, where a centerline settee and dining table sit beneath the flybridge overhang. Water access is seamless via transom steps port and starboard, while large sliding glass doors and a pantograph side door connect indoor and outdoor spaces with ease.
Above, the flybridge offers a vast, well-appointed escape rarely seen on a yacht of this size. The helm station delivers superior control and comfort with clear sightlines, while guests enjoy a convertible lounge, built-in dining area, and a full suite of amenities: grill, drinks fridge, ice maker, propane hob, and teak decking with max thickness option. A carbon fiber hardtop with electric awning adds flexible shade to this social centerpiece.
Tried, tested, and optimized for long-range family cruising, VIAKAREY combines the assurance of Sirena’s proven platform with bespoke features and upgrades tailored to the lifestyle of a modern yachting family.
Notable Factory Upgrades & Custom Options
Mechanical & Systems
- 11.5 kW backup generator
- Electric stern thruster with variable speed
- Joystick control engines and thrusters (main helm and flybridge)
- Watermaker, 34 gal/hour
- Freshwater deck wash system
- Oil change system
- Seakeeper 9000 N·m stabilizer
- Dedicated charger and battery for bow thruster
- Mighty Pure ultraviolet purification system for drinking water
- Starlink Performance Gen 2 system
Electronics & Navigation
Garmin Platinum Navionics Package, including:
- Two 16" multifunction displays at the lower helm
- One 16" display at flybridge helm
- Garmin / Volvo engine monitor displays at both helms (standard)
- Garmin Fathom open-array radar
- Garmin fishfinder
- Garmin Class B AIS
- Garmin IP cameras (engine room and flybridge)
- Additional 10" Garmin display on flybridge helm console
Exterior Features
- Carbon hardtop with electric awning
- Foredeck area tent with carbon poles
- Foredeck manual hi-lo teak table with cover
- Teak-laid flybridge decking (maximum thickness)
- Electric searchlight with dual-station controls
- Courtesy and pop-up lighting on main deck
- Courtesy lighting on flybridge
- Four bi-color underwater lights (stern)
- Three flush-mounted aft flybridge floodlights
- Teak flag pole (aft flybridge)
- Tender cradles in teak (not installed)
- Flybridge wet bar with barbecue, refrigerator, and icemaker
- Cockpit GRP storage unit (configured for refrigerator, third joystick station, or sink)
- Cockpit sink/faucet unit
- Aft flybridge U-shaped GRP seating arrangement with cover
- Fixed cockpit table with teak top and cover
- Three varnished teak exterior tables
- Three additional 110V exterior outlets
- Four folding cockpit chairs
- Shower intentionally omitted from flybridge per owner option
Interior Features
- Crew/4th cabin with two single berths, head, air-conditioning, and pantograph door to swim platform
- Saloon side pantograph door
- Electric skylight window with electric sunshade
- Washing machine (aft storage area, saloon, or engine room—depending on installation option)
- Safe in master cabin
- Four additional 110V interior outlets
- Master cabin toilet with integrated bidet
- Bracing and attachment points installed for second crew cabin berth
Entertainment & AV
- 43" Smart LED TV in master cabin
- 50" Smart LED TV in saloon
- Fusion RA70 exterior audio system with independently controlled flybridge and foredeck zones
Notable Factory Upgrades & Custom Options
Mechanical & Systems
- 11.5 kW backup generator
- Electric stern thruster with variable speed
- Joystick control engines and thrusters (main helm and flybridge)
- Watermaker, 34 gal/hour
- Freshwater deck wash system
- Oil change system
- Seakeeper 9000 N·m stabilizer
- Dedicated charger and battery for bow thruster
- Mighty Pure ultraviolet purification system for drinking water
- Starlink Performance Gen 2 system
Electronics & Navigation
Garmin Platinum Navionics Package, including:
- Two 16" multifunction displays at the lower helm
- One 16" display at flybridge helm
- Garmin / Volvo engine monitor displays at both helms (standard)
- Garmin Fathom open-array radar
- Garmin fishfinder
- Garmin Class B AIS
- Garmin IP cameras (engine room and flybridge)
- Additional 10" Garmin display on flybridge helm console
Exterior Features
- Carbon hardtop with electric awning
- Foredeck area tent with carbon poles
- Foredeck manual hi-lo teak table with cover
- Teak-laid flybridge decking (maximum thickness)
- Electric searchlight with dual-station controls
- Courtesy and pop-up lighting on main deck
- Courtesy lighting on flybridge
- Four bi-color underwater lights (stern)
- Three flush-mounted aft flybridge floodlights
- Teak flag pole (aft flybridge)
- Tender cradles in teak (not installed)
- Flybridge wet bar with barbecue, refrigerator, and icemaker
- Cockpit GRP storage unit (configured for refrigerator, third joystick station, or sink)
- Cockpit sink/faucet unit
- Aft flybridge U-shaped GRP seating arrangement with cover
- Fixed cockpit table with teak top and cover
- Three varnished teak exterior tables
- Three additional 110V exterior outlets
- Four folding cockpit chairs
- Shower intentionally omitted from flybridge per owner option
Interior Features
- Crew/4th cabin with two single berths, head, air-conditioning, and pantograph door to swim platform
- Saloon side pantograph door
- Electric skylight window with electric sunshade
- Washing machine (aft storage area, saloon, or engine room—depending on installation option)
- Safe in master cabin
- Four additional 110V interior outlets
- Master cabin toilet with integrated bidet
- Bracing and attachment points installed for second crew cabin berth
Entertainment & AV
- 43" Smart LED TV in master cabin
- 50" Smart LED TV in saloon
- Fusion RA70 exterior audio system with independently controlled flybridge and foredeck zones
GALLEY
- Full beam galley aft in salon offering easy access to the aft deck dining and lounging space, as well as interior dining salon space.
- There is an abundance of storage throughout and all the necessary accoutrements to satisfy your five-star culinary desires.
GALLEY
- Full beam galley aft in salon offering easy access to the aft deck dining and lounging space, as well as interior dining salon space.
- There is an abundance of storage throughout and all the necessary accoutrements to satisfy your five-star culinary desires.
ACCOMMODATIONS
- Primary: Full beam and mid ship with king centerline walk around berth, mirror-imaged his and hers hanging lockers, drawer storage, settees, and ensuite head with stall shower.
- VIP Guest:Forward with queen walk around island berth, hanging lockers, cupboard storagecabinets,and ensuite head with stall shower.
- Guest: Two single berths, hanging locker, ensuite with shower.
- Crew: Aft accessed from transom. Two single pipe berths, hanging locker, en-suite head with stall shower.
ACCOMMODATIONS
- Primary: Full beam and mid ship with king centerline walk around berth, mirror-imaged his and hers hanging lockers, drawer storage, settees, and ensuite head with stall shower.
- VIP Guest:Forward with queen walk around island berth, hanging lockers, cupboard storagecabinets,and ensuite head with stall shower.
- Guest: Two single berths, hanging locker, ensuite with shower.
- Crew: Aft accessed from transom. Two single pipe berths, hanging locker, en-suite head with stall shower.
Semi-Displacement Hull
Compared with full-displacement hulls, semi-displacement designs draw less water and have reduced wetted surface area. This reduction minimizes drag and requires less horsepower to propel the vessel. As a result, a semi-displacement hull can deliver approximately 35% more speed at the same engine load as a full-displacement hull, or alternatively, it can operate at the same speed while consuming substantially less fuel and energy.
The hard-chine configuration of a semi-displacement hull also contributes to superior stability compared with the rounded bottoms characteristic of full-displacement designs. This improves comfort both underway and at anchor, where semi-displacement vessels typically exhibit significantly reduced rolling motions.
Semi-Displacement Hull
Compared with full-displacement hulls, semi-displacement designs draw less water and have reduced wetted surface area. This reduction minimizes drag and requires less horsepower to propel the vessel. As a result, a semi-displacement hull can deliver approximately 35% more speed at the same engine load as a full-displacement hull, or alternatively, it can operate at the same speed while consuming substantially less fuel and energy.
The hard-chine configuration of a semi-displacement hull also contributes to superior stability compared with the rounded bottoms characteristic of full-displacement designs. This improves comfort both underway and at anchor, where semi-displacement vessels typically exhibit significantly reduced rolling motions.
Structure design
The deck and superstructure incorporate carbon-hybrid reinforcements, providing an optimal balance of rigidity and lightness. Structural bulkheads are fabricated in PVC foam-core sandwich construction and are secondary bonded to the hull through lamination, ensuring a robust and unified structure throughout the vessel.
Structure design
The deck and superstructure incorporate carbon-hybrid reinforcements, providing an optimal balance of rigidity and lightness. Structural bulkheads are fabricated in PVC foam-core sandwich construction and are secondary bonded to the hull through lamination, ensuring a robust and unified structure throughout the vessel.
ELECTRIC SYSTEM
- Halogen-free and self-extinguishing cables
- Bounding system with 2 sacrificial anodes
- Grounding system
- Galvanic isolator
- 220V AC - 60Hz with shore connection
- 24V DC - 12V DC with negative grounding
- Inverter 1000W - 24 / 220V - 60Hz
ELECTRIC SYSTEM
- Halogen-free and self-extinguishing cables
- Bounding system with 2 sacrificial anodes
- Grounding system
- Galvanic isolator
- 220V AC - 60Hz with shore connection
- 24V DC - 12V DC with negative grounding
- Inverter 1000W - 24 / 220V - 60Hz
GENERATOR
- 1 x 17,5kW - 60Hz Cummins
- 1 x 11.5 kW backup generator
GENERATOR
- 1 x 17,5kW - 60Hz Cummins
- 1 x 11.5 kW backup generator
AIR CONDITION SYSTEM
VIAKAREY is equipped with a78,000 BTU/h marine air-conditioning systemengineered to provide efficient, zoned climate control throughout the vessel.
The system utilizes multiple air-handler units to deliver balanced cooling to the salon, staterooms, and lower accommodations, ensuring optimal comfort at anchor or underway.
AIR CONDITION SYSTEM
VIAKAREY is equipped with a78,000 BTU/h marine air-conditioning systemengineered to provide efficient, zoned climate control throughout the vessel.
The system utilizes multiple air-handler units to deliver balanced cooling to the salon, staterooms, and lower accommodations, ensuring optimal comfort at anchor or underway.
PROPULSION SYSTEM
- 2 X VOLVO PENTA D11C1 A-MP, 670HP each
- ZF 325 IV Gearbox (Ratio 2.037:1)
- 63,5 diameter duplex F51 Shaft (Shaft angle 8 degrees)
- Aluminum bronze P bracket
- 800 x 830 mm 5-blade propellers
- PSS Shaft seal
PROPULSION SYSTEM
- 2 X VOLVO PENTA D11C1 A-MP, 670HP each
- ZF 325 IV Gearbox (Ratio 2.037:1)
- 63,5 diameter duplex F51 Shaft (Shaft angle 8 degrees)
- Aluminum bronze P bracket
- 800 x 830 mm 5-blade propellers
- PSS Shaft seal
STEERING & MANEUVERING SYSTEMS
- Servo electric power-assisted steering system and autopilot system
- Garmin autopilot system
- Rudder blade in aluminum bronze
- Dynamic automatic trim control via interceptors
- 8 kW variable bow thruster- 24VDC, D. 250 mm
STEERING & MANEUVERING SYSTEMS
- Servo electric power-assisted steering system and autopilot system
- Garmin autopilot system
- Rudder blade in aluminum bronze
- Dynamic automatic trim control via interceptors
- 8 kW variable bow thruster- 24VDC, D. 250 mm
SHORE POWER CONNECTION
- Shore power socket 220V - 50A
- Power lines are protected by dedicated GFCI circuit breakers
- 50' shore connection cable
SHORE POWER CONNECTION
- Shore power socket 220V - 50A
- Power lines are protected by dedicated GFCI circuit breakers
- 50' shore connection cable
BATTERIES
- 8 x 95Ah batteries for service
- 4 x 180Ah batteries for engine start
- 1 x 95Ah battery for generator start
- 1 battery charger - 24V/80A for service
- 1 battery charger - 24V/30A for starting batteries
- 1 battery charger - 12V/15A for generator battery
BATTERIES
- 8 x 95Ah batteries for service
- 4 x 180Ah batteries for engine start
- 1 x 95Ah battery for generator start
- 1 battery charger - 24V/80A for service
- 1 battery charger - 24V/30A for starting batteries
- 1 battery charger - 12V/15A for generator battery
SYSTEMS
- 24 V electrical bilge pump in engine room
- 24V automatic electrical bilge pump 24V in the accommodation area
- Manual bilge pump located at the aft deck under the mooring area.
- 4 Bilge level alarms
- 2 Bilge high-level alarms
- Engine room emergency pump through a diverting valve fitted on the engine seawater cooling line
- Each electric pump can be manually activated by switches placed in the helm station
- Seafire Novec manual and automatic extinguishing agent in the engine room
- Automatic shutdown system
- Alarm on helm station and flybridge dashboards
- 2 x stainless steel tanks (total 3.600 liters) located in the engine room
- Fuel level indicator for each tank on the monitoring system
- Visual level gauge on port and starboard tanks
- 1 single separation filter for the generator
- 2 single VOLVO separation filters for engines
- HDPE tank (800L)
- Self-priming fresh water pump
- Tank level indicator and empty status integrated into the monitoring system
- 60 liters water heater 220V - 1200W
- Hot and cold water in all headrooms, galley, cockpit, flybridge sink, and fly shower
Cold water outlet in the engine room - Filling the cap on the side-walking
- Shore fresh water connection
- HDPE tank 450 liters capacity
- Tank level indicator integrated in the monitoring system
- 3/4 and full tank indication in the heads
- Fresh water toilet flushing
- Holding tank discharge via suction on deck
- Overboard discharge of wastewater via a dedicated line at the exit of the holding tank
GRAY WATER SYSTEM
- HDPE tank 225 liters capacity
- 3 sump tanks under master head
- 3/4 and full tank indication in the heads and galley
- Water drainage from showers and sinks into the tank
- Level sensor integrated into the monitoring system
- Water drainage via manifold (24V membrane pump)
- Manual/Automatic overboard discharge
SEA WATER SYSTEM
- 2 seawater intakes with filters and valves for the engine cooling system
- 1 seawater intake with a filter and valve for the generator cooling system
- 1 seawater intake with filter and valve for the chain wash and deck wash system
SYSTEMS
- 24 V electrical bilge pump in engine room
- 24V automatic electrical bilge pump 24V in the accommodation area
- Manual bilge pump located at the aft deck under the mooring area.
- 4 Bilge level alarms
- 2 Bilge high-level alarms
- Engine room emergency pump through a diverting valve fitted on the engine seawater cooling line
- Each electric pump can be manually activated by switches placed in the helm station
- Seafire Novec manual and automatic extinguishing agent in the engine room
- Automatic shutdown system
- Alarm on helm station and flybridge dashboards
- 2 x stainless steel tanks (total 3.600 liters) located in the engine room
- Fuel level indicator for each tank on the monitoring system
- Visual level gauge on port and starboard tanks
- 1 single separation filter for the generator
- 2 single VOLVO separation filters for engines
- HDPE tank (800L)
- Self-priming fresh water pump
- Tank level indicator and empty status integrated into the monitoring system
- 60 liters water heater 220V - 1200W
- Hot and cold water in all headrooms, galley, cockpit, flybridge sink, and fly shower
Cold water outlet in the engine room - Filling the cap on the side-walking
- Shore fresh water connection
- HDPE tank 450 liters capacity
- Tank level indicator integrated in the monitoring system
- 3/4 and full tank indication in the heads
- Fresh water toilet flushing
- Holding tank discharge via suction on deck
- Overboard discharge of wastewater via a dedicated line at the exit of the holding tank
GRAY WATER SYSTEM
- HDPE tank 225 liters capacity
- 3 sump tanks under master head
- 3/4 and full tank indication in the heads and galley
- Water drainage from showers and sinks into the tank
- Level sensor integrated into the monitoring system
- Water drainage via manifold (24V membrane pump)
- Manual/Automatic overboard discharge
SEA WATER SYSTEM
- 2 seawater intakes with filters and valves for the engine cooling system
- 1 seawater intake with a filter and valve for the generator cooling system
- 1 seawater intake with filter and valve for the chain wash and deck wash system
Tender
- Walker Bay Generation 12 LTE in Black Carbon with 40 Yamaha
- Custom Boat Cover
- Mocha SeaDek Flooring kit
- VHF Radio
- 7" Garmin GPS
- Bluetooth Stereo with (2) speakers
- 2 x LED Underwater Lights
- Removable Stainless steel boarding ladder
Tender
- Walker Bay Generation 12 LTE in Black Carbon with 40 Yamaha
- Custom Boat Cover
- Mocha SeaDek Flooring kit
- VHF Radio
- 7" Garmin GPS
- Bluetooth Stereo with (2) speakers
- 2 x LED Underwater Lights
- Removable Stainless steel boarding ladder
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