Mark Ellis 50ft Custom Alloy Catamaran “ALLIECAT”
AU $990,000 Negotiable
Mark Ellis 50ft Custom Alloy Catamaran
Beam: 5.0 m
Engines: Twin Cummins fitted late 2019 QSB 6.7L 480 HP Diesels (approx. 470 hours)
Overview
This rare, highly-optioned 50ft Mark Ellis custom alloy catamaran has undergone an extensive refit, with nearly every system replaced or upgraded. Presenting in near-new condition, it combines performance, comfort, and versatility, making it an exceptional platform for long-range cruising and extended stays. With its generous 5.0 m beam, this vessel offers remarkable interior volume and deck space, setting it apart from others in its class. Nearly all major components less than 5 or 6 years old.
Accommodation
o Two-bedroom layout with split bathroom design — ideal for families yet easily managed by a couple.
o Open-plan saloon with galley and dinette aft.
o Excellent helm visibility with a social layout and additional lounge seating forward.
o Contemporary finishes including new Corian bench tops, cork flooring, and refreshed interior trim.
o 48,000 BTU air conditioning Isotherm.
Engines
o Twin Cummins QSB 6.7L 480 HP diesels, fully repowered in 2019.
o Approx. 470 hours of use. (hull hours approx 900)
o Top speed: ~28 knots.
o Economical cruising speed: 17 – 22 knots.
o 1,800 L fuel capacity for extended range.
o Onan 11 kva generator.
Electronics
o Raymarine electronics suite : dual Axiom Pro 12″ displays, Cyclone radar, CP57 3D downscan, FLIR night vision, autopilot with Seastar Optimus EPS power steering.
o Dual Glendinning controls with cockpit stations.
o Electrical & lighting: all new wiring, LED deck lighting, Aqualuma underwater lights, solar panels, Victron system, Mastervolt 3000W inverter. Flir combi IR cameras in engine room for temp monitoring.
o DAVCO 350kg davit crane for tender handling.
o 800 watts of solar
o Nearly 1500 watts of battery storage
Features & Equipment
o Large open aft deck with shade covers & breezeway screens.
o Full-width swim platform with shade extension and rocket launcher.
o Tender: AB Alloy 2020 with Suzuki 20HP 4-stroke.
o Smeg induction cook top, Breville Multi combo oven, cockpit BBQ grill.
o Easy bow access with wide side walkarounds.
o Eutectic fridge 150lts, Eutectic freezer 150lts, Isotherm rear deck fridge.
o Rear deck sink and bench.
o LG washing machine.
o Plenty of fishing rod holders.
o New Corian bench tops in bathrooms and back deck.
Condition
o Recently antifouled.
o Presents in outstanding condition with nearly all systems renewed.
o Ready for immediate cruising — offering several years of worry-free boating.
o Full service history.
Vessels like this are rare and do not hit the market often.
DON’T MISS OUT
Vessel Located at Keppel Bay Marina
For viewing contact Dean 0459 336 244
- Mark Ellis 50ft Custom Alloy Catamaran
- Plate Alloy
- 15.24m
- 5.0m
- 1.2m
