Firewire Hydronaut
Performance shortboard. 3 sizes from 5'9" to 6'4", 26 to 37 liters, listed by Rider Shack.
Every size and price
| Size | Liters | Price | Store |
|---|---|---|---|
| 5'9" used | 26.1 | $350 sold out | Rider Shack |
| 6'2" used | 33.2 | $200 sold out | Rider Shack |
| 6'4" used | 36.8 | $300 sold out | Rider Shack |
Open Firewire Hydronaut in the finder →
One row per size and store. Liters marked ≈ are SurfCalc estimates (from the same model at other sizes, or from the dimensions). Prices are in the store's currency. Not sure which size? The calculator turns your weight, skill and waves into a liter range. More Firewire boards · Shortboards. Updated 2026-10-19.