The Riviera design group in collaboration with 4D designs have created this unique motor yacht. And everything about Riviera’s 645 SUV is impressive. The 645 has the largest water sports and fishing cockpit of all the models in our SUV Collection. When the alfresco deck opens up to our most spacious SUV saloon and galley, the single-level living plan is spectacular. And of course the 645 offers our largest SUV accommodation deck with a full-beam master stateroom. Choose three or four staterooms with three bathrooms plus an optional lower lounge and crew cabin, utility room or additional accommodation.
The three-seat helm station is expansive and the stand-up engine room is equally generous. And when it comes to performance, the twin shaft drive MAN turbo diesel engine options are the most powerful on offer in our SUV range.
You can personalise your 645 SUV with an array of interior packages and two design styles, the more traditional Classic Edition or avant-garde Newport Edition. Whichever you choose, from boarding platform to bow, you’ll relish the Riviera attention to detail, handcrafted luxury and exceptional operational technology.
Picture yourself on board your Riviera 645 SUV, exploring the great waterways of the world, diving in the Bahamas, or sport fishing on the Reef. Magic.
With a hydraulic lifter as standard, launching or retrieving a tender or watercraft is simple. Ideal for water sports or swimming when partly submerged.
Wet bar portside with top-loading refrigerator/freezer and cool box. BBQ station located starboard with recessed sink and storage underneath protected from the elements with moulded lids and integrated handrails.
A conveniently located lounge in the centre of the transom for relaxing or casual entertaining. Includes storage beneath and removable cover.
Live bait tank in lieu of transom lounge. Viewing window, lighting and pump facilities. Superior fishing experience.
Engaging and accommodating, the alfresco features teak laid flooring and steps, a portside lounge with fold-out daybed and L-shaped lounge starboard with storage underneath plus a fixed and folding teak table.
Located portside, a convenient bar including icemaker, solid surface benchtop with fiddle rail – casual drinks made simple. Entertainment via portside fold-down TV overhead and audio system.
Rear Glass Bulkhead
Open the large awning window and slide back the glass door and transform the alfresco deck and saloon into one grand entertaining space. Both framed in mirror polished 316 marine grade stainless steel.
Easy Foredeck Access
Non-skid surfaces with soft-blue LED courtesy lights and thoughtfully placed stainless steel handrails allow comfortable movement around the entire yacht via the wide side decks and raised deck coaming.
Options aplenty. Choice of central sunbed and aft lounge, fixed teak table, audio system and complemented by teak flooring or a U-shaped lounge with removeable table – both options feature optional sunshade coverage and handy storage lockers. A flexible space for relaxation or entertaining.
The through-bow anchoring station on the foredeck assures anchoring crew safety. Stainless steel Ultra anchor with winch make anchoring effortless plus convenient in-built fender lockers and high-pressure anchor washdown system.
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Aft Gourmet Galley
This gourmet galley will inspire. Beautifully designed modern galley located portside in the heart of the saloon and alfresco, featuring an island bench, premium appliances integrated into the handcrafted cabinetry, solid surface benchtops and extensive storage.
Discover the fine leather lounge with ottoman including built-in storage complemented by a polished fixed foldaway dining table. Relax with the surround-sound entertainment system and 50” LED TV.
Pantograph Side Door
Located saloon portside, the door opens out and remains flush to allow fore or aft side deck access. Offers quick easy access for mooring lines and fenders, side and foredeck. Great way to fill saloon with fresh air.
Cocktail Wet Bar
Within the saloon, fine handcrafted cocktail cabinetry features a starboard wet bar incorporating two fridge drawers, stemware and bottle storage plus a separate wine cooler. Optional starboard club lounge available in lieu of wet bar.
Command Helm Station
Confidence is assured with fingertip navigation, an array of technology to make boating easier on the dash with controls at your side and fully adjustable helm chair plus two companion chairs. Includes monitoring cameras to the bow, cockpit and engine room.
Full-beam master suite featuring handcrafted timber cabinetry, large walk-around queen berth with in-built storage and an elegant portside chaise to complete the luxe style. Inclusions of an entertainment system and safe for your valuables.
Forward VIP guest stateroom with walk-around queen bed, private ensuite and entertainment system. Port guest stateroom with two-way bathroom and fourth starboard stateroom.
Three beautifully appointed ensuites with designer vanities, solid surface benchtops and floors plus frameless full-sized shower highlight the clean and luxurious feel.
Additional accommodation or utility room with premium washer and dryer plus spacious storage area including large benchtop or opt for a crew cabin with one adult-sized bed with private adjacent day head.
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Technology & Performance
Created by the Riviera design team to deliver a smooth, soft, dry ride in Australia’s often challenging offshore conditions. Incorporating new lightweight, immensely strong construction materials to minimise overall weight and deliver exhilarating performance.
The gleaming white engine room has acoustic and thermal insulation, LED lighting, mist-eliminating fan system, double hose clamped ball valves for all through hull fittings and independent compartments throughout that are foam filled for added strength and noise dampening.
The capability for extended cruising with power provided by twin MAN V8 engines with quickshift gearboxes. Incredibly smooth and quiet performance. Optional twin MAN V12 available.
Makes docking a yacht of this calibre effortless. Confident manoeuvring from the EJS joystick located at the forward helm and in the cockpit.
Simple to use intelligent power management system. Fully integrated CZone digital switching network provides ultimate control of all onboard electrical systems.
Siren Marine App
Remote systems monitoring and control via the Siren Marine App is inclusive with every new Riviera motor yacht.
Entertain or just relaxing. Large LED TVs, surround-sound speaker systems, iPod interfaces and more. Multi entertainment areas – saloon, cockpit, alfresco and staterooms.
A large entry hatch through the alfresco floor makes servicing clean and efficient. The external entry to crew/utility room is convenient and unobtrusive.
Maintenance Free Batteries
The house, auxiliary and starting lithium-ion batteries are all lighter-weight, maintenance free - delivering faster charging, reliable, high currents on demand and an extended service life.
2 Year Express Limited Warranty
Riviera has further elevated the company’s industry-leading support for Riviera owners with the extended 2 year Express limited warranty which covers all non-structural components. Please refer to your Riviera dealer for full terms and conditions.
5 Year MAN Limited Warranty
Riviera motor yachts powered by MAN engines enjoy the MAN Gold Standard Premium cover for five-years or up to 2,500 hours, whichever comes first mechanical limited warranty. Please refer to your Riviera dealer for full terms and conditions.
7 Year Structural Limited Warranty
Providing the ultimate assurance for Riviera owners that the quality of their hull, deck, flybridge and hardtops are engineered and crafted for superior blue-water performance. The warranty covers seven years or up to 2,800 hours of boating, whichever comes first. Please refer to your Riviera dealer for full terms and conditions.
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Length Overall (inc. swim platform and bow sprit)
Hull Length (Lh to ISO8666) *
Beam (inc. gunwale)
Maximum Draft (inc. props)
Dry Weight (approx.) **
Fuel Capacity ***
1,717 US gal
Water Capacity ***
198 US gal
Holding Tank Capacity ***
132 US gal
Standard Engine MAN V8 1300 (2x)
1300 hp ea
Engine Option MAN V12 1550 (2x)
1550 hp ea
* Length of the hull (Lh) to ISO8666: Includes all structural and integral parts (ie. the moulded length of the hull). It excludes parts that can be removed in a non-destructive manner without affecting the structural integrity of the craft, (eg. pulpits, outdrives, driving platforms, rubbing strakes).
** Dry weight represents the estimated minimum weight of a yacht with standard engines and options, no fuel or water on board, no equipment or provisions and no personnel. The stated dry weight may be exceeded.
*** Denotes net tank capacity. For useable capacity do not rely on more than 90% of tank capacity. Actual capacity will vary according to yacht trim and sea state. Speeds are subject to normal weather conditions, fuel and/or water levels, passengers and equipment loads.
The Reassurance of Riviera
A Proud Heritage
Riviera has a proud heritage of launching over 5,800 yachts in its over 42 years of operation.
Today Riviera yachts can be seen cruising the great lakes, rivers, seas and oceans of the world.
Riviera Australia is a family owned business guided by the excellence, values and vision of its owner, Rodney Longhurst.
So there are sturdy longitudinal handrails, Sunbrella soft furnishings and strong stainless fixings on doors and cupboards. The joinery was done with absolute precision in gloss walnut. Clearly, these boats are built to last and maintain their value.
In the 645, Riviera has delivered a highly accomplished, beautifully crafted and versatile vessel that fully harnesses the latest advances in marine technology to ensure its owners enjoy all aspects of their boating experience.
The 645 takes the SUV collection to a new level with even more space, performance, cruising range, accommodation and luxury. Fitout and finish are nothing short of superb and it’s yet another fine example of what a truly world-class cruising luxury Riviera can deliver.
The 645 SUV is the largest and most sophisticated model in Riviera’s SUV collection, combining the high-level blue-water pedigree of the lauded Sports Motor Yachts with the single-level living attributes so much loved by Sport Yacht owners.