2015 Crownline Boats 21 SS Boat in Okoboji, IA 51355 US
21 SS
1 Engine (--)
21 feet
Gas
Fiberglass/Reinforced
The 2015 Crownline 21 SS delivers everything boaters love about the Crownline brand-sleek styling, exhilarating performance, premium craftsmanship, and exceptional comfort. Designed to provide the perfect balance of sport boat excitement and family-friendly versatility, the 21 SS is equally at home pulling skiers, cruising the lake, entertaining friends, or enjoying a relaxing day at the sandbar.
Measuring 21'5" in overall length with a wide 8'6" beam, the 21 SS offers a remarkably spacious layout for a boat in its class. With seating for up to 10 passengers, family and friends can spread out comfortably throughout the bow and cockpit while enjoying Crownline's signature upscale fit and finish.
Powered by a MerCruiser 350 MAG Alpha sterndrive engine producing 300 horsepower, this Crownline delivers outstanding acceleration, responsive handling, and impressive top-end performance. Whether you're towing wakeboarders, pulling tubes, or cruising across the lake, the powerful MerCruiser package provides the performance and reliability serious boaters demand.
Built on Crownline's innovative F.A.S.T. Tab® hull design, the 21 SS planes quickly, handles confidently, and delivers a smooth, stable ride in a variety of water conditions. The deep-V fiberglass/composite hull provides exceptional ride quality while maintaining the sporty handling characteristics that make driving a Crownline so enjoyable.
Finished in an eye-catching Moonstone and Amethyst color combination, this 21 SS stands out both at the dock and on the water. With only 116 engine hours, this boat has been lightly used and is ready to provide years of unforgettable adventures.
The spacious cockpit features premium upholstery, comfortable wraparound seating, and abundant storage for life jackets, water toys, coolers, and all the essentials needed for a full day on the water. A large sun pad at the stern provides the perfect place to relax between swims, while the integrated swim platform and boarding ladder make water access quick and easy.
The captain's helm features easy-to-read instrumentation, ergonomic controls, and excellent visibility, creating a comfortable and confidence-inspiring driving experience. Every detail reflects Crownline's commitment to quality, performance, and luxury.
With a 45-gallon fuel capacity and a dry weight of 4,100 lbs, the 21 SS offers an ideal combination of performance, efficiency, and easy ownership.
Key Specifications
- Year: 2015
- Make: Crownline
- Model: 21 SS
- Length: 21'5" LOA
- Beam: 8'6"
- Color: Moonstone / Amethyst
- Engine: MerCruiser 350 MAG Alpha
- Drive Type: Sterndrive
- Horsepower: 300 HP
- Engine Hours: 116
- Fuel Capacity: 45 gallons
- Capacity: 10 passengers
- Hull Material: Fiberglass/Composite
- Dry Weight: 4,100 lbs
- Hull ID: KIS81940A515
- Stock #: 14448
- Crownline F.A.S.T. Tab® Hull Technology
- Powerful 300 HP MerCruiser Performance Package
- Spacious Seating for Up to 10 Passengers
- Premium Upholstery Throughout
- Large Rear Sun Pad
- Integrated Swim Platform with Boarding Ladder
- Deep-V Performance Hull Design
- Driver-Focused Helm Layout
- Ample Storage Throughout the Boat
- Premium Crownline Styling and Craftsmanship
- Only 116 Engine Hours
- Powerful 300 HP Performance
- Excellent for Watersports and Family Fun
- Spacious Layout for Friends and Family
- Smooth Ride and Responsive Handling
- Easy to Trailer, Launch, and Store
- Striking Moonstone & Amethyst Color Scheme
- Built for Creating Lasting Lake Memories
Whether you're spending the day wakeboarding, tubing with the kids, cruising with friends, or relaxing at your favorite sandbar, the 2015 Crownline 21 SS delivers the performance, comfort, and luxury that make every outing on the water unforgettable.
Price History
| Date | Event | Price |
|---|---|---|
| 6/21/26 | Initial price | $29,950 |
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2015 Crownline Boats 21 SS | |||||
|---|---|---|---|---|---|
| $29,950 | $27,995 | $26,000 | $24,950 | $21,995 | $21,950 |
| Okoboji | Okoboji | Okoboji | Okoboji | Spirit Lake | Okoboji |
| 21' | 26' | 22' | 26' | 20' | 23' |
| - | - | - | - | MerCruiser | - |
| 300 hp | 300 hp | 260 hp | 300 hp | - | 265 hp |
| 2 | 108 | 117 | 4 | 61 | 108 |
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Meet the Broker

Address
Boat Location
Contact Parks Marina Inc about 2015 Crownline Boats 21 SS
24457 178th St., Okoboji, IA, 51355


























