A new made-to-measure mainsail for a 31 ft sailboat costs about A$2,498 including GST (US$1,544), and a 130% furling genoa about A$2,398 including GST (US$1,482). These are the median prices across 146 boat models of 31 ft, in Dimension-Polyant Optimum Cruise sailcloth.
Prices checked 21 October 2026. A$ prices include GST. US$ prices apply in the US and every other country.
New sail prices for a 31 ft sailboat
| Sail | Optimum Cruise (value) | C-Breeze (long life) |
|---|---|---|
| Mainsail, full battens | A$2,498 / US$1,544Most boats A$2,023 to A$3,032 | A$3,265 / US$2,018Most boats A$2,622 to A$3,991 |
| Furling genoa, 130% | A$2,398 / US$1,482Most boats A$2,032 to A$2,798 | A$3,138 / US$1,940Most boats A$2,658 to A$3,661 |
| Mainsail + genoa | A$4,957 / US$3,064Most boats A$4,278 to A$5,501 | A$6,492 / US$4,013Most boats A$5,570 to A$7,236 |
Median price across 146 boat models of 31 ft. “Most boats” is the middle 80%. Standard build of about 4 weeks. Shipping, and import duty for the US, are added at checkout.
Prices for popular 31 ft sailboats
Exact prices for 31 footers from the biggest production builders. Click through to choose your sailcloth, battens, genoa size and build time.
| Boat | Mainsail | 130% genoa |
|---|---|---|
| Hunter 31 | A$2,303 / US$1,424 | A$2,728 / US$1,686 |
| Beneteau 31 | A$2,559 / US$1,582 | A$2,433 / US$1,504 |
| Jeanneau Sun Light 31 | A$1,929 / US$1,193 | A$2,373 / US$1,467 |
| Bavaria 31 | A$2,619 / US$1,619 | A$2,058 / US$1,272 |
| O'Day 31 | A$2,022 / US$1,250 | A$2,753 / US$1,702 |
| Pearson 31 | A$2,823 / US$1,745 | A$2,131 / US$1,317 |
| Hanse 311 | A$2,833 / US$1,751 | A$2,313 / US$1,430 |
| Dufour 31 | A$1,981 / US$1,225 | A$2,417 / US$1,494 |
| C&C 31 | A$2,474 / US$1,529 | A$2,310 / US$1,428 |
| Cal 31 | A$2,372 / US$1,466 | A$2,880 / US$1,780 |
Optimum Cruise sailcloth, full-batten mainsail, standard build.
What sets the price
- Sail area. Price follows the size of the sail, which comes from your boat’s rig (I, J, P and E). A typical 31 footer carries about 24.3 m² of mainsail and 27.8 m² of 130% genoa.
- Sailcloth. Both cloths are woven polyester (Dacron) from Dimension-Polyant, the German sailcloth maker. Optimum Cruise is the value choice for coastal and weekend cruising. C-Breeze is a tighter weave that resists stretch and holds its shape for longer, for sails that work hard or go offshore. At 31 ft we use Optimum Cruise 308 OC (7.2 oz) or C-Breeze 301 CB (7 oz).
- Battens. Full battens (4) hold the sail’s shape and help it last. The 3 leech + 1 full head batten option costs a little less.
- Genoa size. We make furling genoas from 110% to 150%. Most cruising boats carry about 130%; a smaller genoa costs less.
- Build time. Standard is about 4 weeks. Express (about 2 weeks) adds 8%; economy (about 8 weeks) takes 5.5% off.
What’s included
Mainsail: cloth weight matched to your boat, two reef points with low-friction rings, cunningham, stacked reinforcement patches, Dyneema leech and foot lines, battens, sail bag and a 12-month warranty.
Furling genoa: UV cover on the leech and foot, foam luff pad, luff tape to suit your furler, stacked reinforcement patches, sail bag and a 12-month warranty.
After you order, a sailmaker checks your measurements before anything is cut. If your numbers change the price, we tell you first and you can cancel for a full refund.
Questions
How much does a new mainsail cost for a 31 ft sailboat?
A made-to-measure cruising mainsail for a 31 ft sailboat costs about A$2,498 including GST (US$1,544) in Dimension-Polyant Optimum Cruise with full battens. That is the median across 146 boat models of 31 ft; most fall between A$2,023 and A$3,032. In the longer-lasting C-Breeze cloth the median is A$3,265 including GST (US$2,018). A main with 3 leech battens and a full head batten costs a little less than one with 4 full battens.
How much does a new genoa cost for a 31 ft sailboat?
A 130% furling genoa for a 31 ft sailboat costs about A$2,398 including GST (US$1,482) in Optimum Cruise, or A$3,138 including GST (US$1,940) in C-Breeze. Most fall between A$2,032 and A$2,798 in Optimum Cruise. A 110% or 120% genoa costs less and a 140% or 150% costs more.
How much does a new set of sails cost for a 31 ft sailboat?
A new mainsail and 130% furling genoa together cost about A$4,957 including GST (US$3,064) for a typical 31 ft boat in Optimum Cruise, or A$6,492 including GST (US$4,013) in C-Breeze. Shipping is added at checkout.
Why do sail prices vary between 31 ft boats?
Sail prices follow sail area, not boat length. A typical 31 ft boat carries about 24.3 m² of mainsail and 27.8 m² of 130% genoa, but a tall-rig or performance boat carries more, and a fractional rig has a bigger main and a smaller genoa. That is why we price every boat from its own rig dimensions (I, J, P and E).
What sailcloth weight does a 31 ft sailboat need?
We match the cloth weight to the boat's length using Dimension-Polyant's guide. For a 31 ft boat that is Optimum Cruise 308 OC (7.2 oz) or C-Breeze 301 CB (7 oz).
How we worked this out
We priced the mainsail and genoa for all 146 boat models of 31 ft in the Sails.Online catalogue, using each boat’s published rig dimensions and our standard build. These are the same prices you see in the shop. The median is the middle price; “most boats” covers the middle 80%. Prices checked 21 October 2026.