The First 345 Beneteau is a 34.5ft masthead sloop designed by Jean Beret and built in fiberglass by Beneteau between 1985 and 1988.
460 units have been built.
The First 345 Beneteau is a light sailboat which is a reasonably good performer. It is very stable / stiff and has a low righting capability if capsized. It is best suited as a day-boat. The fuel capacity is originally small. There is a good water supply range.
Main features
| Model | First 345 Beneteau | ||
| Length | 34.50 ft | ||
| Beam | 11.42 ft | ||
| Draft | 6.20 ft | ||
| Country | France (Europe) | ||
| Estimated price | $ 0 | ?? | 
Ratios
| Sail area / displ. | 17.54 | ||
| Ballast / displ. | 45.36 % | ||
| Displ. / length | 182.40 | ||
| Comfort ratio | 19.88 | ||
| Capsize | 2.11 | 
Hull
| Hull type | Monohull fin keel with spade rudder | ||
| Construction | Fiberglass | ||
| Waterline length | 29.17 ft | ||
| Maximum draft | 6.20 ft | ||
| Displacement | 10141 lbs | ||
| Ballast | 4600 lbs | ||
| Hull speed | 7.24 knots | 
Rigging
| Rigging | Masthead Sloop | ||
| Sail area (100%) | 512 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 283.80 sq.ft | ||
| Sail area main | 228.69 sq.ft | ||
| I | 44 ft | ||
| J | 12.90 ft | ||
| P | 37.80 ft | ||
| E | 12.10 ft | 
Engine
| Nb engines | 1 | ||
| Total power | 0 HP | ||
| Fuel capacity | 22 gals | 
Accommodations
| Water capacity | 106 gals | ||
| Headroom | 0 ft | ||
| Nb of cabins | 0 | ||
| Nb of berths | 0 | ||
| Nb heads | 0 | 
Builder data
| Builder | Beneteau | ||
| Designer | Jean Beret | ||
| First built | 1985 | ||
| Last built | 1988 | ||
| Number built | 460 |