SERENISSIMA I Yacht for Sale

154' Mengi Yay | 2024 | $34,202,900 Watch Price

Genova, Italy

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Last updated Mar 13, 2026

Serenissima I Yacht | 154' Mengi Yay 2024

Denison Yachting 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

Denison Yacht Sales offers the details of this yacht in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of this boat for sale. A yacht buyer should instruct his yacht broker, or his boat surveyors, to investigate such details as the buyer desires validated. This yacht for sale is offered subject to prior sale, price change, or withdrawal without notice. This boat may be listed with another yacht broker.

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Serenissima I HIGHLIGHTS

Yacht Details: 154' Mengi Yay 2024
Location: Genova, Italy
Engines: 2 x 1450.00hp, 3 x 0.00hp
Last Updated: Mar 13, 2026
Asking Price: $34,202,900
Maximum Speed: 17 Knots
Max Draft: 8' 0''
Stock Number: e9d09621-820b-ef11-9f89-00224808c043

Serenissima I additional information

Specifications

Cruising Speed: 12 Knots
Maximum Speed: 17 Knots
Beam: 29' 0''
Hull Material: Steel
Max Draft: 8' 0''
Cabins: 5

Guest Accommodation

SERENISSIMA I sleeps up to 10 guests in 5 cabins.
The master cabin is located on the bridge deck aft, featuring both a walk-in wardrobe and ensuite bathroom. The master cabin leads directly out onto a private deck with a small dining area, sun pads and jacuzzi. The yacht’s main deck interior space is dedicated to guest entertainment, with a traditional aft main salon and dining room leading through to the midship guest lobby. Forward is a guest cinema room, with drop down balcony and walk-in wine cellar.
The lower deck features 4 further guest cabins. The forward cabins are twins, each with their own ensuite bathrooms. The aft cabins can either be set up as separate double cabins, alternatively, can be opened to make a full beam VIP suite.
An elevator and central staircase connect the interior decks. Up to 9 crew are accommodated in 5 crew cabins, including a separate captain’s cabin. All crew cabins are located forward on the lower deck.

Exterior Deck Spaces

The primary guest exterior entertainment space can be found on the sundeck, which has been split with large, glass panels midship to shelter the aft area. The sundeck forward offers
a large jacuzzi and sun pads. Midship, under the hard top shelter, can be found a dining table for 10 guests with further seating found aft around a firepit. The bridge deck offers a private space for the owner, with direct access out of the master cabin.
In addition, there are walk around side-decks leading to the flush foredeck. The main deck aft accommodates the primary guest tender to port, with additional guest seating to port. The main deck aft leads down a central staircase to the generous swim platform. There is a secondary tender garage forward on the main deck, to accommodate the rescue tender and jet skis.

Engine Room

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Main Engines: 2 x CAT C32 DITTA ACERT 1,450 Bhp (1,081 kW)
Gearboxes: 2 x ZF 3351 1:4478
Propellers: 2 x Teignbridge 5 Blade
Exhausts: Water cooled + Urea
Generators: 2 x Caterpillar 118 kW
Night Generator: 1 x Caterpillar 86kW
Alternator: Leroy Somer AC 400V / 50 Hz
ME Starter: 24V Electric
Steering: Data Hydraulic DDS 2 x 1100
Air Compressor: Gianneschi
Bilge Separator: EPE Poseidon
Bow Thruster: SP SAC 1400 Electric
Stern Thruster: SP SAC 1400 Electric
Stabilizers: Humphree Fins Zero Speed
Bilge Pumps: 2 x Gianneschi
Fresh Water Pumps: 2 x Gianneschi
Hot Water Pumps: 2 x Wilo Top Z 30/7 R6
Fuel Transfer: Pump + 2 x Alfa Laval MIB503
Fuel Separator: 2 x Alfa Laval MIB503
Boilers: Gianneschi 3 x 150L
Water Maker: MC12 Duplex 1,000 L/H
Water Softner: Idrofast 9100
Toilet System: Evac Vacuum Optima Prestige
Water Treatment: Hamann HLCP025
HVAC & Chilled Water: Crusair / Dometic
AC Chiller Guests: 393,000 BTU
AC Chiller Technical: 129,000 BTU
ER Ventilation: 2 x Gianneschi + Fan Coil
AMS: Boning

Tanks

Fuel 64,000 L
Fresh Water 14,000 L
Grey & Black 7556 L
Bilge 700 L
Sludge Water 700 L
Lube Oil 770 L
Dirty Oil 770 L
Urea 4,350 L

Firefighting

Pumps: 2 x Gianneschi ACB631/B
Emergency Pump: Ganneschi MACB 531V
Fire Extinguishers: Viking
ER Firefighting: Hafex Aerosol
Alarm & Monitoring: Siemens
Heat Detectors: Galley & ER
Gas Detector: Forward Garage

Electrical Systems

400/230 VAC and 24 VDC System

Main Generators 400 VAC 50 Hz
Emergency Battery 24 VDC
Shore Power 180-520 VAC 45 - 65 Hz
Main Lighting Cantalupi 230 VAC 50 Hz
Underwater Lighting Cantalupi
Emergency Lighting 24 VDC
Service Batteries 24 VDC
Batteries 24 VDC
Circuit Breakers Schneider
Shore Power Converter Magnus
Shore Power Cable Hubbell 30m
Inverters Victron

Navigation/av

Horn Kahlenberg
Navigation Lighting Lopolight 48V DC
Central Alarm System ECR Marine, Boning
Navigation System Furuno GP 170
Entertainment Sonos / Pioneer
Radar Furuno FAR2218BB/PM X Band
ECDIS NS4000
AIS Furuno FA170
Wind indicator 110WX
Auto Pilot AP70
EPIRB Sailor 4065
SART Sailor 5052
Handheld VHF Sailor SP3520
VHF Sailor 7222 DSC Class A
Inmarsat C Sailor 6110 220V AC / 24V DC
Radio Telephone Sailor 6310
Navtex Sailor 6391
BNWAS Walker P7007
Echo Sounder Furuno FE800
Speed Log Furuno DS85
Compass Cassens & Plath 33005
CCTV Vivotek FD8366-V
WIFI Ruckus ZoneFlex R320 / T300
4G A-SPLT

Av Systems

B&W Speakers + Subwoofer Wetsounds
Sonos
Lutron Lighting system throughout

Guest Cabin TV Samsung 43” 4K UHD
Salon TV Samsung 75” QLED
Crew / Captain TV Samsung 32” HD LED
Master Cabin TV Samsung 55” QLED
Workshop TV Samsung 43” UHD
Cinema Samsung 85” QLED
Music AMP Bose PM8500N / Marantz Cinema 60
TV GrandStream IP TV
Telephones Gigaset C530

Galley & Laundry