2021 Cobalt R8 Boat in Okoboji, IA 51355 US
R8
1 Engine (--)
28 feet
Gas
Fiberglass/Reinforced
The 2021 Cobalt R8 represents the pinnacle of luxury sport boating, combining breathtaking design, premium craftsmanship, and exhilarating performance into one extraordinary package. As one of the most prestigious models in Cobalt's acclaimed R Series lineup, the R8 is designed for boaters who demand the very best in comfort, style, and on-water capability.
Measuring an impressive 27'10" in overall length with a wide 8'6" beam, the R8 offers an expansive layout designed to maximize comfort and entertainment. The oversized bow seating area, luxurious cockpit lounge, and spacious aft seating provide abundant room for family and friends to relax and enjoy every moment on the water. Every surface showcases Cobalt's renowned attention to detail, with premium upholstery, hand-finished materials, and luxury appointments throughout.
Powered by a Volvo Penta V8-350CE DP sterndrive engine producing 350 horsepower, the R8 delivers effortless acceleration, responsive handling, and outstanding cruising performance. The dual-prop drive system enhances maneuverability and efficiency while providing the power and confidence needed for watersports, entertaining, and long-distance cruising.
Built on Cobalt's legendary deep-V fiberglass/composite hull, the R8 delivers an exceptionally smooth, dry ride with remarkable stability and control. Whether you're cruising across open water, entertaining at the sandbar, or towing watersports enthusiasts, the R8 provides the premium ride quality that has made Cobalt one of the most respected names in boating.
Finished in an elegant Frost Grey and Rich Ebony color combination, this luxury bowrider offers sophisticated styling that turns heads wherever it goes. With only 160 engine hours, this R8 has been lightly used and is ready to provide years of premium boating enjoyment.
The helm is a masterpiece of modern design and technology, featuring premium instrumentation, intuitive controls, and exceptional visibility. Every detail has been engineered to create a comfortable and enjoyable experience behind the wheel.
A large integrated swim platform provides seamless access to the water and creates the perfect staging area for swimming, tubing, wakeboarding, and other watersports activities. Abundant storage compartments throughout the boat ensure there is room for coolers, water toys, life jackets, and everything needed for extended days on the water.
With an 80-gallon fuel capacity and a dry weight of 6,400 lbs, the R8 is built for extended adventures while maintaining the luxury, performance, and refinement expected from a flagship Cobalt.
Key Specifications
- Year: 2021
- Make: Cobalt
- Model: R8
- Length: 27'10" LOA
- Beam: 8'6"
- Color: Frost Grey / Rich Ebony
- Engine: Volvo Penta V8-350CE DP
- Drive Type: Sterndrive
- Horsepower: 350 HP
- Engine Hours: 160
- Fuel Capacity: 80 gallons
- Hull Material: Fiberglass/Composite
- Dry Weight: 6,400 lbs
- Hull ID: FGER8084E121
- Stock #: 19318
- Flagship Cobalt R Series Luxury Bowrider
- Volvo Penta V8-350 HP Dual-Prop Performance
- Legendary Deep-V Hull Design
- Expansive Entertaining & Social Layout
- Premium Upholstery & Luxury Finishes
- Advanced Helm Technology & Controls
- Large Integrated Swim Platform
- Abundant Storage Throughout the Boat
- Exceptional Ride Quality & Stability
- Industry-Leading Cobalt Craftsmanship
- One of Cobalt's Most Prestigious Models
- Premium Ride Quality in All Water Conditions
- Powerful 350 HP Volvo Penta Performance
- Spacious Layout for Family & Friends
- Luxurious Interior Appointments Throughout
- Elegant Frost Grey & Rich Ebony Styling
- Perfect for Entertaining, Cruising & Watersports
- Built to Create Lifelong Memories on the Water
Whether you're hosting guests at the sandbar, enjoying sunset cruises, spending weekends at the lake, or exploring new waterways with family and friends, the 2021 Cobalt R8 delivers the luxury, performance, and craftsmanship that define the very best in premium boating.
Price History
| Date | Event | Price |
|---|---|---|
| 6/12/26 | Initial price | $159,950 |
Boattest.com Review
Overview
Cobalt has established a strong reputation for producing boats that combine upscale fit and finish with practical functionality. This review highlights key features of two models in their lineup, the R4 and the R8, showcasing their versatility, quality, and thoughtful design.
R4 Model Features
The Cobalt R4 is notable for its convertible seating arrangements, which can be adjusted from forward-facing seats to an F-facing chaise lounge, providing flexible comfort options. Additional convertible seating is available in the forward section, enhancing passenger accommodation. The boat offers substantial storage capacity, making it practical for extended outings. The helm is equipped with a sleek glass dash featuring dual 10-inch Garmin screens, an uncommon feature in this size category that enhances navigation and control.
R8 Model Enhancements
The R8 model builds upon the R4's versatility and storage with several added amenities. It offers engine configurations that include either single or twin engines, each capable of up to 300 horsepower, allowing for customizable performance. The R8 also features a manually extendable sunshade for added comfort during sunny conditions. Practicality is further enhanced by a roomy head compartment that doubles as a changing room, while the spacious bow seating area provides additional relaxation space. These features collectively contribute to a luxurious and functional boating experience.
Conclusion
Cobalt's R4 and R8 models exemplify the brand's commitment to quality craftsmanship and upscale design, paired with practical features that enhance usability and comfort. These boats offer a compelling combination of style, versatility, and performance suitable for a variety of boating activities.
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No image available 2021 Cobalt R8 | |||||
|---|---|---|---|---|---|
| $159,950 | $219,950 | $226,570 | $229,950 | $232,075 | $249,000 |
| Okoboji | Okoboji | Okoboji | Okoboji | Okoboji | Okoboji |
| 28' | 29' | 28' | 30' | 28' | 35' |
| 350 hp | 380 hp | 350 hp | 300 hp | 350 hp | 430 hp |
| 3 | 5 | 111 | 12 | 111 | 111 |
Other Cobalt R8 boats for sale in Iowa, United States
Other Cobalt boats for sale in Iowa, United States
Meet the Broker

Address
Boat Location
Contact Parks Marina Inc about 2021 Cobalt R8
24457 178th St., Okoboji, IA, 51355



















