boat on water

R31 Surf

Elevated Waves. Refined Experience.

boat on water with a wakesurfer behind it

R31 Surf Exterior

The Cobalt R31 Surf blends versatility, performance, and refined design. Built with a custom surf hull and integrated Surf Gate technology, it delivers a consistent, customizable wave with a smooth, controlled ride.

Cobalt R31 Surf aerial drone view with black arch hardtop at speed on open water with passengers aboard

Arch With Hardtop

The arch with hard top features a fixed tinted glass portal, integrated anchor light, and RGB accent lighting. It also supports an optional electric awning and premium speaker system for added comfort and entertainment.

What Makes The Cobalt Surf System

Volvo Penta Fwd

Volvo Penta Fwd

Forward-facing propulsion designed for performance and safety. The system pulls the boat through the water for smoother acceleration, better efficiency, and a quieter ride.

Specifications

LOA
31' 5"
Beam
9' 10"
Fuel
160 gal
Capacity
yacht certified
Head
yes
View All Specs
boat
people in a boat

R31 Surf Interior

The R31 Surf interior offers a deeper cockpit and increased freeboard for a more spacious, secure layout. Expanded bow and cockpit seating provide comfort and flexibility for a full day on the water.

Cobalt R31 Coastal prep galley featuring granite-style countertop, cutting board, and stainless refrigerator drawer

Prep Galley

The prep galley provides a compact space for food and drink preparation. Features include a solid-surface countertop, storage compartments, and optional refrigerator and sink.

WSIA Wake Responsibly guidelines on Cobalt Boats: stay 200 feet from shore, keep music at reasonable levels, minimize repetitive passes

Wake On. Wake Responsibly.

The WSIA is the towed water sports industry’s leading advocate, known for preserving the vitality of our activities long into the future. As a group, we develop best practices, maintain waterway access rights, educate participants, promote safety and facilitate sustainable industry growth.

Download Our Brochure

Request a digital version of our R31 Surf brochure by providing us a little information below.