GIZMO 

Morrelli & Melvin 65 Custom

Meet the epitome of sleek performance combined with comfort.

A Morelli & Melvin-designed catamaran that sets the standard of practicality and luxury. 
With a true pedigree design, a powerful sail plan, and shorthanded efficiency, she is capable of soaring past 30 knots of boat speed. Or, simply being an outright fast and comfortable cruising catamaran. Four modern cabins, contemporary interiors, and continuous upgrades—she’s ready to cruise, race or explore remote islands.

Let's take a look and discover how elegance meets speed!

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Information & Features

 

Morrelli & Melvin 65 custom 

Performance cruising catamaran 

Composite construction with Carbon mast & boom 

Length 65ft / 19.81m 

Beam 28ft 5in / 8.66m

Draft 3ft (boards and rudders up) - 9ft down 

Dry Weight 17t 

Launched in 2010  

Cabins - 4 cabins / 4 ensuite + optional crew / utility room in the bow

Yanmar shaft drive diesel engines and generator 

 

Main Dimensions

Designer: Morrelli & Melvin

Model: M&M 65 custom 
LOA: 65 ft /19.81m

LWL:  63ft / 19.2m
Min Draft: 3 ft Max Draft: 9 ft ( Boards down ) 
Beam: 28 ft 5 in / 8.66
Dry Weight: 29,400 lb / 14.7T 
Displacement: 38,000 lb / 19T
Fuel: 2 x 50 gal / 2 x 190L
Fresh Water: 2 x 75 gal / 2 x 284L

Holding: 2 x 18 gal / 2 x 68L

Max Bridge Clearance: 88ft / 26.82m 
Flag Of Registry: United States

2 x 55HP Yanmar diesel engines

Volvo generator

Engines and Generator:

Yanmar Engines – 55HP 4JH4AE   SN Port 07761 STB 08737
Type: Inboard Diesel Shaft drive

Generator :Volvo D1 30F   3 cylinder Diesel 28HP  SN 40869669

Newport 1000c Spectra Watermaker

 

Recent Upgrades Include

New Daggerboards – NZ 2023

New U - Dek - NZ 2023

New Shafts –  NZ 2023

Copper Coat Antifoul – Aust 2025

Full Rig check – 5 Year service

Standing rigging was removed and load tested / Xrayed and sent to ECsix in Valencia Spain and returned. Reinstalled by Rig Pro in Auckland NZ 2023

Full Yanmar Service per Yanmar recommendations / Oil changed every 250 Hrs

New Genset - Australia 2025

New Zodiac Nodic 4.2m Tender with 50HP Yamaha Aust 2025

New Hull Paint Australia Awl Grip 2025

Yanmar 55 HP engine hours Port 4300 / Starboard 4400 @ Jan 2026

New Genset 500 HRS @ Jan 2026

Salon flooring is hard-wearing cork and holly

New exterior upholstery 2025/26

( 2025 ) 4 x 200ah Juice Lithium Batteries by Enertec Built in BMS Management System

NKE Sailing Instruments with true wind data (upgraded 2023)

 

Design

The M&M 65 represents the best in performance cruising catamarans. A product of the Morrelli & Melvin Design & Engineering design office, GIZMO was custom designed for fast, worldwide cruising. All systems were designed to be as light and efficient as possible, with low maintenance. Morrelli & Melvin's uniquely shaped wave-piercing reverse
Bows, high bridgedeck clearance, and complementary underbody save weight and windage but also reduce pitching motions to ensure comfortable and fast cruising. A powerful sail plan provides GIZMO with top speeds up to 30+ knots.

 

Layout and Accommodations

4 Double staterooms in hulls, each ensuite with custom carbon fiber electric toilets, washing basin, stainless steel
countertops and stand-up shower.

Port Forward Bow Compartment: houses a Crew cabin / sail storage with WC and washing basin, 2 pipe bunks
hammock style.

Starboard Forward Compartment: houses a workshop and added storage.

Salon: large dinette is forward to port, with storage underneath. A second settee occupies the aft starboard corner.

 

Navigation: A large, elevated, well-equipped navigation area faces forward to Starboard.

 

Galley: to starboard, aft in the salon. 
Equipped with: - 2 x refrigerators 2 x drawer deep freezers 1 x Large chest deep freeze 
Force 10 stove, Double sink, stainless steel tops
A bar with 3 swing-away bar stools and an elevated lunch area with storage under.

 

Rigging
Mast, Boom, Forward Beam and Longeron Prepreg Carbon by Marstrom
Standing Rigging is ECsix by Composite Rigging

 

Sails

All Sails by North Sails:
Mainsail: 1405sf, 130.5m2, 3DL 600L, Aramid 29400 fully battened 
Solent: 746sf, 69.3m2, 3DL 860#3, Hank On, Carbon/Aramid 32000 ( Self Tacking )
Reacher: 1668sf, 155.0m2, 3DL600, Furling, Aramid 19600
Staysail: 440sf, 40,9m2, Spectra, Hank on, 3DL 318TX
Asymmetric Spinnaker A4 ( Red supercote ISO North ) ( In sock )
Storm Sail: 334sf, 31,0m2, , Hank On, Dacron NLS 295 TX

 

Deck and Equipment

Winches: all Electric
Primary Winches (Aft Deck, Mainsail Handling): 2 x 3 Speed Harken B980.3STH with Obohos remote
Secondary Winches (Steering Station, Sheets): 3 x 2 Speed Harken 70.2STH
Mast Base Winch (Headsail Handling): 1 x 3 Speed Harken 70.3STH with Obohos Remote
All Deck and Sailing Hardware by Harken and Spinlock
All Hatches by Lewmar
All Portlights by Gebo

Daggerboards – Carbon and Divinycell

Retractable Carbon rudders and cassette

 

Engine and Mechanical

2 x Yanmar 4JH4AE 55hp Diesels
2 x Aquadrive couplings on thrust bulkheads
2 x Dripless Tides Shaft Seal
2 x 3 Blade Flexofold Propeller 

Newport 1000c Spectra Watermaker

2 x 15 Gal Torrens Water heater (Heated by engine and AC) 
Machinery compartments midships for pumps and engine access. 
Additional engine access through stairs in the companionway.

 

Plumbing

Fuel: 2 x 50 gal / 2 x 190L
Fresh Water: 2 x 75 gal / 2 x 284L

Holding: 2 x 18 gal / 2 x 68L

 

Electrical, Power & Equipment

( 2025 ) 4 x 200ah Juice Lithium Batteries by Enertec Built in BMS Management System
(2023 ) Start Batteries and Genset battery – 3 x 70AH Maintenance free 
6 Solana 300w solar panels Epever
Victron Solar charger + regulator + Bluetooth interface
Balmar High Output Alternators and Balmer 624 Regulators
Outback FX2524MT with FWX240 Transformer 110v -240v
3 Outback 110v Inverters 24v -110V
Victron Skyla -1 24v/80Amp output / Battery Charger 180V -240V /45 to 65Hz
AC Sockets in all Cabins and Heads

All LED Lighting 24 Volts AC Sockets in all Cabins and 4 Heads110V

GIZMO is dual voltage 110v + 220V with a transformer.

 

Electronics & Navigation

NKE Sailing Instruments with true wind data ( Upgraded 2023 )

3D Sensor NKE
Regatta Processor
High-Resolution GPS
Multiple Multifunction Displays
Autopilot with Remote Control
Man Overboard Alarm System
Furuno Navnet, 4kw Radar Scanner
Chartplotter with Radar Overlay
IC-M504 VHF ICOM HF-Marine IC-M802 SSB with Pactor Modem
Navigation Computer with MAXSEA Time Zero interfaced with the Furuno Navnet 3D Starlink unit with a marine subscription

Lightning Protection

This vessel has a sophisticated, robust lightning protection system from Lightning Protection, Inc. Installed at time of build. Proof of concept: The vessel was struck by lightning in 2019. A subsequently thorough survey, with meticulous
Non-destructive testing of hull and rig, found no damage resulting from the strike.

 

Ground tackle

1 x Rocna 40 Anchor 195ft / 60m 10mm chain and 150ft 3/4” Rode
1x Fortress FX85
1 x Rocna 33 Anchor 100ft 10mm Chain and 300ft ¾" Rode
Lewmar V5 24Volt Anchor Winch with Obohos Remote

 

Tender/Liferafts

New Zodiac Nodic 4.2m Tender with 50HP Yamaha Aust 2025

Viking 8 PAX Offshore Liferaft with Survival Kit ( 2023 )

 

Construction

GIZMO was built in the USA by Westerly Marine - a highly regarded custom boat builder, founded in 1970 and located in Santa Ana, California—specializing in carbon fiber performance vessels.

 

Her construction:
Hulls: Carbon inner skin, Kevlar outer skin / 25mm Corcell Sandwich
Cabin: Carbon inner skin, E-Glass outer skin / 50mm Corcell sandwich
Bulkheads, cabin soles: pre-preg Carbon / Nomex honeycomb sandwich
All secondary taping Carbon fiber / Epoxy
All laminates vacuum-bagged and postcured
AwlGrip 2-Part Polyurethane paint