17/09/2026
2006 RIVIERA M400 “SOVEREIGN” | $199,900
A superb opportunity to secure one of Riviera’s most popular Australian-built express cruisers.
SOVEREIGN is an exceptionally well-presented 2006 Riviera M400, combining impressive offshore performance, generous entertaining spaces and comfortable accommodation for the whole family.
Currently berthed at Mandurah Ocean Marina, she has recently completed her annual maintenance program and has been professionally detailed, presenting beautifully and ready for the coming boating season.
Powered by twin MerCruiser 8.1L freshwater-cooled petrol engines with approximately 770 hours, SOVEREIGN delivers the strong performance and confident handling that has made the M400 such a popular choice for WA boating.
Recent Maintenance – July 2026
• Full engine service
• Sterndrive legs removed and serviced
• Fresh antifoul
• Prop Speed applied
• Professional full detail
Key Features
• Twin MerCruiser 8.1L freshwater-cooled engines
• Approx. 770 hours
• Bow thruster
• Onboard generator
• Reverse-cycle air conditioning
• Water maker
• 1,000L fuel capacity
• 500L freshwater capacity
• Two refrigerators plus freezer
• Ice maker
• Spacious entertainer’s cockpit with wet bar
• Well-appointed galley with stove and oven
• Two private cabins
• Accommodation for up to 7
• Separate bathroom with enclosed hot and cold shower
• Fusion marine sound system
• Approx. 22–24 knot cruise
• Approx. 29–31 knot maximum speed
With a 4.13m beam, the M400 offers an impressive amount of usable space. The generous cockpit is ideal for entertaining, while below deck the two-cabin layout, convertible saloon, full galley and separate bathroom make extended weekends away genuinely comfortable.
Whether it’s entertaining on the Swan River, weekends at Rottnest or exploring the WA coastline, SOVEREIGN offers the space, performance and practicality that have made the Riviera M400 a firm favourite with Australian boating families.
SOVEREIGN has been serviced, antifouled and detailed and is ready for her next owners to step aboard and enjoy.
đź’° Asking Price: $199,900
📍 Mandurah Ocean Marina, WA
🛥️ Inspections by appointment
Contact Yachts West today for further information or to arrange your private inspection of SOVEREIGN.