Earth River SUP DECK 10-9 S3 (GEN 3) PURPLE Inflatable Paddle Board
Earth River SUP DECK 10-9 S3 (GEN 3) PURPLE Inflatable Paddle BoardCouldn't load pickup availability

The Earth River SUP DECK 10-9 S3 is the extra-large board in the DECK series — 34 inches wide with a long, clear deck — built for paddlers who want a stable platform for SUP yoga, paddling with kids or a dog, and relaxed days on flat water.
Who Is The DECK 10-9 For?
The DECK 10-9 is for paddlers who value stability and deck space first. At 34" it is the widest board in the DECK series — the board to choose if you plan to practice yoga on the water, bring a child or dog along, or simply want the most reassuring board underfoot while you build confidence as a newer paddler. It's recommended for riders from 120 to 225 lb, and up to 245 lb for experienced riders.
The bigger footprint doesn't make it a burden on land: X7 fused laminate construction keeps the 10-9 at 22 lb, and it folds into its rolling backpack like every other board in the series.
10'9" | 34" wide | 5" thick | 22 lb board weight | Riders 120–225 lb (up to 245 lb experienced)
Why Riders Choose The 10'9" DECK
Stability you can move around on. The 34" width and 10'9" length give the board a large, planted footprint, so shifting your stance — for a yoga flow or a squirming passenger — doesn't unsettle it.
A deck that clears out completely. The center carry handle has a removable neoprene wrap, so the reptile-skin traction pad becomes one long, flat practice surface. The pad runs thick underfoot — ERS specs it at 40% thicker than the industry average — and the contoured kick pad and arch support at the tail stay out of the way until you need them.
Built to carry a day's gear. High-grade stainless steel D-rings at the nose, tail, and forward deck take a leash, tow line, or tie-downs, and the bungee cargo system holds a dry bag securely. The ERS Ultimate DECK Bag (sold separately) is designed to clip directly into the bungee system as a combined gear bag and day pack.
Built For Years Of Real Use
The X7 construction fuses the laminate to the drop-stitch core rather than gluing it as a separate layer, with additional reinforcement in the areas that take the most wear. The result is a board that holds its rigidity at pressure, resists delamination at the seams, and keeps its weight down at the same time — the reason a 34"-wide board still comes in at 22 lb.
Every DECK 10-9 is covered by a two-year warranty, and it ships with the same accessory grade as the rest of the ERS line: a deluxe rolling backpack and a double-action pump that inflates on both the downstroke and upstroke, cutting inflation time and effort roughly in half.
The Fin System
The DECK 10-9 runs the LAKE RIVER COAST™ (LRC) Fin System in a three-fin thruster configuration with an optimized toe-in angle. All three fins click in and out without tools, and they pack into the included padded ERS fin and accessories bag. Run all three for tracking and stability, or pull the side fins for faster flat-water glide.
Full Specs
| Length | 10'9" |
| Width | 34" |
| Thickness | 5" |
| Board weight | 22 lb |
| Rider weight range | 120–225 lb (up to 245 lb for experienced riders) |
| Construction | ERS X7 Fused Laminate Construction |
| Fin system | LAKE RIVER COAST™ (LRC) Fin System — three click-in fins, thruster configuration |
| Deck pad | Reptile-skin traction pad with contoured kick pad and arch support; removable handle wrap |
| Included | Deluxe rolling backpack, high-pressure double-action pump, padded fin/accessories bag, 24-month warranty |
| Recommended use | SUP yoga, family paddling, flat water, touring |
Safety note for whitewater use
A standard ankle leash is not recommended for whitewater paddling. Use a quick-release leash, wear a helmet, and wear an inherently buoyant life jacket — all are important safety equipment in moving river water.
Inflation
The ERS 12VDC 20PSI Electrical Pump inflates this board to 15PSI in approximately 9 minutes.
How The DECK Series Fits The ERS Lineup
Earth River SUP builds the DECK series on X7 fused laminate construction with click-in fins, while the DUAL series uses the heavier-duty X9 Dual Core construction and a US fin box with interchangeable center fins, built for frequent whitewater and surf use. Within the DECK series, the 10-9 is the stability specialist: its extra width and length trade some agility for a platform steady enough to share — which is exactly what yoga paddlers and parents are shopping for.
What's Included
Every 10'9" DECK ships with a deluxe rolling backpack, a high-pressure double-action pump, the padded fin and accessories bag, and a 24-month warranty.
Contact a paddling expert on 877-777-1769 for our best package deal price and our review of the pros and cons of the Earth River SUP DECK Series.
Related Reading:
- 5 Questions To Ask Before Buying an All Around Inflatable SUP
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- Which Earth River SUP Board Should I Buy?
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