McConaghy MC77

5,345,000 Tax Not Paid  


  • Make McConaghy
  • Model MC77
  • Year 2019
  • LOA 79ft/24m
  • Class Multihull
  • Hull Foam Core Epoxy
  • Keel Multi-Hull
  • Rig Sloop
  • Engine Twin Diesel
  • Drive Sail Drive
  • Layout Deck Saloon/Pilothouse
  • Berths 10
  • Cabins 5
  • Ancasta Ref 33244


The remarkable MC77 delivers modern style, acres of deck space, up to 5 cabins + crew.
Choose a custom layout to fits your wishes.


Naval Architect: Ker Yacht Design
Interior Design: Design Unlimited
Composite Engineering approved by Bureau Veritas
Certificate CE

LOA 24.00 m
LWL 23.10 m
Max Beam 10.50 m
Draft 1.20 m - 5.10 m
Height of Mainsail (above DWL) 39.6 m
Upwind Sail Area 376 sq. m

Built using a controlled vacuum infusion process and pressed panels of E-glass, carbon composite and Corecell.
Providing lightweight, strength and rigidity.
Composite centerboards
Carbon composite longeron with integrated anchoring system
Frameless bi-folding doors with tempered safety glass between saloon and aft deck
Carbon stairs and handrails to fly bridge.

Hull, deck and superstructure painted in high quality two part polyurethane (White standard)
Non-skid areas on side decks and coachroof
Flush Lewmar deck hatches
Below waterline finished with epoxy primer


Standard Rig
Alloy rig from Selden with dyform and rod rigging, conventional boom, painted white or black

Carbon Rig Option
Carbon Rig from Axxon with Kevlar standing rigging, Canoe V-Boom, Harken Switch track and mast step.
Clear carbon finish or painted.

4 x Harken 80.3 STEP 24VDC Electric
2 x Harken 80.3 STEP 24VDC Electric Spinnaker winches
1 x Performa 3 Speed Alum self-tailing for halyards at mast
1 x 50.2 STEP 24VDC Electric Traveller winch
Harken headsail furler
Clutches for Mainsail & Jib halyards & sheets
Running rigging and fittings for mainsail and headsail


Designed by Design Unlimited and executed in three schemes. The interior joinery is custom built and finished to McConaghy's high quality standards.
Whichever color scheme you choose either Sweden, Hong Kong or Bermuda the interior of the MC77 is filled with light, clean crisp lines and one level indoor outdoor living.

The MC77 offers many arrangements and accommodation options to fit your wishes. The arrangements all include five cabins plus a crew cabin with a large master cabin suite in the port hull. Variations include the galley up on the main deck or below and forward in either the port or starboard hull. Guest cabin options include; one large double cabin aft in the starboard hull, twin cabins amid-ship in the starboard hull and a second double cabin in either the port or starboard hull. There is also a main deck configuration for "Day Boat" with a large dining table and galley on the main deck with comfortable settees and chairs i the saloon, aft deck, fore deck and flybridge for 12 guests.

5 Cabin Version Galley Down in Starboard Hull
Port Hull
Owner's suite aft with large L shaped settee, low table, and hull door which transforms to a sea terrace. Forward is the spacious ensuite, and closets leading to the queen size berth. Forward of this cabin
are stairs to the main deck and then a guest cabin with queen berth and ensuite.

Starboard hull
Generous guest cabin with queen berth full beam ensuite and hanging lockers, forward are stairs to the main deck then two single cabins with ensuites amidships. Forward of the next set of stairs are the
galley and crew cabin

The arrangement can also be configured with the galley up on the main deck, 5 cabins + a more spacious crew cabin.

All cabins are fitted and finished with:
Ample storage
Tempered glass hull windows
Overhead opening hatches
Lights - overhead, reading, courtesy
110/230 VAC outlets and USB sockets
Finished in scheme of your choice

All Ensuites are fitted and finished with:
High quality shower/vanity fittings
Electric toilets
Vanity sink with cabinet
Full length mirror
Corian sole in shower
110/230 VAC outlets and USB sockets

The MC77 delivers comfortable, spacious one level indoor/outdoor living, with large windows and skylights for panoramic views and natural light.

Main Deck Starboard Side
L-shape settee
Telescoping Dining table with fold out extensions
Corner settee and small coffee table forward
Long overhead skylight
Overhead recessed lights, down lights and courtesy lighting at sole level
110/230 VAC and USB sockets

Main Deck Forward
Navigation Station
Customized layout in carbon finish
Navigation and Electronics panels
110/230 VAC, 12 VDC and USB sockets
Hand embroidered pivoting Navigator's helm seat
Forward settee with low table on raised plinth for unobstructed views

Main Deck Port Side
Two L-shape settees
Two low tables
Three chairs

Flybridge & Helm Stations
Twin helms stations with carbon fiber steering wheels and custom display arrangement to suit your choice of electronic/navigation equipment and sail handling are forward on the flybridge.
Aft of the sailing stations are five (yes five!) comfortable lounging, sunbathing and dining spaces.


Two 160 HP Yanmar engines
Sail Drive and feathering propellers
Single electronic throttle control mounted to starboard helm
Engine instrument panel at helm position
Fresh water engine cooling system
Exhaust waterlocks
Water separator
Exhaust muffler

Two Fuel tanks in total approx. 460 liters
Racor 500 fuel filters
Two Fuel Level Sensors
Two Deck Fillers

Insulation in Engine rooms

AC Switch panel
Shorepower cables
Combination inverter

24 VDC Supply
Galvanic Isolator
Two 150 amp 24V alternators
800 amp/hour AGMhouse batteries
Two 105 amp/hour AGM engine start batteries


CZone DC Digital Switching System including touch screen, ipad compatible, voltage, tank, bilge and fuse alarms, lighting (switches
and dimmers), custom controls for centreboards and hydraulic transom (optional)
All internal lights are LED
Reading lights x 8
Down lights x 42
Cockpit Lights x 8
Courtesy lights x 10

1 Red/White Nav Stn Light (Hella 2XT 959 510 851)
1 All round white nav.light (Hella 2LT 980 960-001)
1 Stern light (Hella 2LT 959 909-001)
1 Port light (Hella 2LT 959 900-001)
1 Stbd light (Hella 2LT 959-908-001)
1 Masthead light (Hella 2LT 959 940-201)
1 Tank Sensor Monitor

Fusion system with four speakers

4 - Rule automatic bilge pumps (2,000 GPM each )
2 - Henderson MK 5 Universal Manual Bilge pump
Pressurized hot & cold water system
6 - Electric toilets
2 - Isotherm water heaters – 40 Liter tanks slim
2 - Whale Universal Pressure pump 18 L/M 45 PSI
Black water tanks capacity TBD
Fresh water tanks approx 1,600 L
Fresh Water Level Sensor
Holding tank sensor
Plumbing for Air Con and watermaker pre-fit

Balanced spade rudders
Self aligning bearings
Hydraulic steering
Emergency tiller

Lewmar flush hatches
Clear carbon composite stanchions with stainless steel and dyneema lifelines
Recessed coachroof handrails in clear carbon
Foredeck trampolines - dyneema
Deck fittings for Fuel, Water, Black water pump out

Lewmar V8 electric windlass
40kg anchor, 80m chain, 30m warp
6 Seasmart 200mm folding cleats

Finance Calculator

Ancasta are acting as brokers for the vendor who is not selling in the course of business unless otherwise stated. These details are prepared from information provided by the vendor and are intended only as a guide to give a fair description of the vessel but their accuracy cannot be guaranteed and they do not constitute part of any contract. A prospective buyer is strongly advised to check the particulars and to have the vessel fully surveyed by a qualified marine surveyor. Details are supplied on the understanding that all negotiations shall be through Ancasta brokerages. This vessel is offered subject to prior sale, price change or withdrawal without notice. Please Note: where the vessel’s status shows as “Preliminary”, details of the vessel have not yet been confirmed by the Vendor.