2026 Cobalt R31 Surf Monohull

The R31 Surf is the perfect fusion of luxury, innovation, and wave-making excellence.

Designed to elevate every moment on the water, the R31 Surf combines versatile performance with sophisticated style to deliver a surf experience thats pure Cobalt.

The R31 Surf's sleek lines and contemporary design reveal a deep cockpit and greater freeboard for a more spacious interior and larger bow and cockpit areas.

Price advertised is for base configuration of the R31 Surf fitted with Twin Volva Penta V8-300CE-G DP Joystick engines.
POWER SELECTION
Volvo Penta
Twin V8-300CE-G DP FWD Joystick - 300 hp (221 PkW)
Twin V8-350CE-G DP FWD Joystick - 350 hp (261 Pkw)
Twin V8-380CE DP FWD Joystick - 380 hp (283 PkW)
Twin V8-430CE DP FWD Joystick - 430 hp (321 PkW)
Engine Enhancements (Standard)
EVC w/PTA & Cruise (Volvo)
Trip Computer (Volvo EVC)

Engine Enhancements (Optional)
Anti-Corrosion System (Vol 300hp)
TCC (Titanium Ceramic Coating)-Volvo
VOL Total Control Pkg (Autopilot & DPS)

DASH & INSTRUMENTATION
Standard
Compass, Digital
Composite Helm Eyebrow, Custom Stitching
Depth & Water Temp Gauge Pkg.
Digital Switching
Glass Cockpit, Dual Garmin 9'' Displays
Hour Meters, Digital
Stainless Steel Switches
Steering Wheel, Leather Color-Matched
USB/USB-C Receptacle Charger
Optional
Flir Vision Camera (w/Garmin Radar)
Flir Vision Camera (w/Garmin Radar)
Glass Cockpit, Dual Garmin 12 Displays
Radar, Garmin Fantom 18''
VHF Radio

ENTERTAINMENT
Standard
iPod/USB/MP3 Port - Detail
Sound System w 6 Spkrs.
Stereo Remote, Dash - Detail
Stereo Remote, Transom (Prem/Plat Sound)
Optional
HK Plat Sound w/Transom Spkrs. - Detail
HK Plat Sound w/Transom Spkrs.-Hard Top - Detail
HK Sound w/Transom & Arch Spkrs-2 pr. (Sunshade) - Detail
HK Sound w/Transom & Sandbar Arch Spkrs (Hardtop)
Prem Sound w/Transom & Arch Spkrs-1 pr.
Prem Sound w/Transom Spkrs.
Premium Sound w/Transom Spkrs.-Hard Top
Satellite Radio System
Stereo Remote, Transom (Std. Sound)

INTERIOR
Standard
Bench Seat Storage
Bow Walk-Thru Door
Cooler, 36 qt. (cockpit seat only)
Dual Sundeck Convertible Lounger
Head w/Pump Out Porta Potti
Helm Seat, Extra Wide
Ice Chest, Bow
Seating Varadense Comfort
Sink Console (head compartment) - Detail
Snack Stand w/Prep Galley w/o Refrigerator
Trash Receptacle
Helm Seat, Electric
Optional
Air Compressor w/Holder - Detail
Air Conditioning (Head/Helm)
Bow Center Cushion Insert
Bow Table (additional) - Detail
Closet-Watersports (Head Compartment)
Cockpit Heater
Convenience Package
Dinette Table w/Bow & Cockpit Receptacle - Detail
Dinette Table w/Mat Accent
Dinette Table, Solid Teak
Floor Covering, Sea Grass (bow, cockpit)
Floor Covering, Sea Grass (head)
Floor Covering, Sea Grass (helm footrest)
Footrest, Helm (Fold-Down)
Gray Water System
Head, Vac (Thetford) - Detail
Head, Vac (Thetford) w/Macerator - Detail
Helm Watch, Passenger
Interior Trim Pkg., Beehive
Interior Trim Pkg., Wood
LED Interior Accent Lighting (RGB) w/Hardtop - Detail
LED Interior Accent Lighting (RGB) w/o Hardtop
Phone Chargers, Bow (2)
Snack Stand w/Prep Galley & Refrigerator
Sof-Trac Mat (bow, cockpit)
Sof-Trac Mat (head)
Sof-Trac Mat (helm footrest)
Sof-Trac Mat (watersports closet)
Stainless Steel Foot Tread (helm only)
Teak Floor, Bow & Cockpit - Detail
Teak Floor, Head
Throw Pillows, Weighted (10) - Detail
Throw Pillows, Weighted (4) - Detail
Wireless Phone Chargers, w/Holder

EXTERIOR
Standard
Anchor Locker
Arch w/Sunshade
Bow Scuff Plate, Stainless Steel - Detail
Cleats (Bow, Midship, Stern)
COBALT Lettering, Chrome Backlit
Cockpit Entry Step - Detail
Extended Running Surface
Graphics, Molded-In Gelcoat
Motorbox Actuator
Ski Tow - Stainless Steel
Sof-Trac Mat, Swim Platform
Stainless Steel Engine Vents
Swim Platform w/Flip-Down Swim Step
Transhield Shipping Cover
Wakeboard Racks, T2 (Roswell) w/o clamps
Windshield, Black Frame
Optional
Aft Walk-Thru Gate
Arch w/Hard Top
Arch w/Hard Top/Electric Awning
Board Rack Covers, PTM
Camera, Rear Facing (req. Hardtop)
COBALT Lettering, Satin Black (exterior) - Detail
COBALT Lettering, Satin White (exterior)
Fender Clips w/Line (6) w/Storage - Detail
Flagpole w/Flag - Detail
Splash & Stow, Inflatable Island - Detail
Splash & Stow, Inflatable Mat - Detail
Surf Gate Accent
Swim Platform Hydraulic w/Flip-Down Step - Detail
Swim Platform Transom Lighting - Detail
Teak Swim Platform - Detail
Transom Shower (cold water)
Transom Tilt Switches (twin)
Underwater Lighting - Detail
Wakeboard Racks, PTM ClampForce 3.0
Windows, Hull Side

CANVAS
Optional
Bow Tonneau Cover - Detail
Cockpit Tonneau Cover - Detail
Mooring Cover - Detail
Shade Sail, Aft (req. Hard Top)
Shade Sail, Bow

STRUCTURAL & SAFETY
Standard
10/5/3 Year Warranty Protection
Battery Switch, Dual w/ACR - Detail
Circuit Breaker Protected Elec System - Detail
Composite Floor
Composite Seat Bases
Composite Transom
Fiberglass Cockpit Liner
Fiberglass Stringer System
Fire Extinguisher, Automatic System - Detail
Fire Extinguisher(s), Manual
Ignition Safety Switch - Detail
Kevlar Reinforced Hull
Stainless Steel Windshield Braces - Detail
Through Prop Exhaust
Trim Tabs, Pro Control
Optional
Battery Maintainer/Charger, 110v
Battery Maintainer/Charger, 220v - Detail
Gyroscope, Seakeeper 1
Rearview Mirror, Roswell w/Custom Cover
Tool Kit - Detail
Trim Tabs, Pro Control Auto
Windlass w/Docking Lights System

SPECIFICATION
Length Overall w/Swim Platform
31' 5'' / 9.58 m
Beam
9' 10'' / 2.99 m
Deadrise at Transom
21 degrees / 21 degrees
Fuel Capacity
160 gal / 606 L
Freshwater Capacity
18 gal / 68 L
Bridge Clearance (windshield only)
5' 4'' / 1.63 m
Bridge Clearance w/ Hardtop
9' 1'' / 2.77 m
Bridge Clearance w/ Sunshade
9' / 2.74m
Draft Drive Up, Twin Eng.
38.5'' / 0.98 m
Draft Drive Down, Twin Eng.
44.5'' / 1.13 m
Dry Weight, w/Twin Engines (options not included)
9500 lbs / 4309 kg
Boat Certified Capacity
Yacht Certified
Boat Certified Capacity w/gear
Yacht Certified

Cobalt Boats distributor for Australia and New Zealand located on the Gold Coast, ***.
Pick up from Cobalt Boats Australia includes attached options above.
Cobalt Boats Australia Mon - Fri 8am till 5pm and Sat 8am till 2pm.
 In house finance options available. Let us organize all of your finance and insurance needs to get you on the water quicker than ever.
 *Trade-ins welcome*
 Call today for a quote
***Photos may display options & accessories not included in base price***