Brise de Mer 34
Description
The Brise de Mer 34 is a classic French aluminum bluewater cruiser designed by the renowned Groupe Finot (Jean Marie Finot) and built by Le Guen-Hemidy (FRA) from 1975 to around 1987, with only about 32 hulls produced—making it quite rare. It's celebrated for its robust welded aluminum construction (light yet incredibly strong and corrosion-resistant for offshore use), good performance, and seaworthy qualities. Owners describe it as sailing "like a demon" in moderate to strong winds, with excellent handling in blue water, large waves, and F5–F6 conditions—proven by solo Atlantic crossings, Panama Canal transits, and extended Chilean/Pacific voyages. This masthead sloop (with fin keel and skeg-hung rudder) is a light-to-moderate displacement boat that's stiff, stable, and a solid performer for coastal/offshore cruising. It's not ultra-heavy like some traditional bluewater tanks but offers great speed potential in breeze while being manageable for shorthanded crews. Some variants feature lifting keels for shallower draft versatility.
Construction Details
| Designer | Jean Marie Finot (Groupe Finot) |
|---|---|
| Builder | Le Guen-Hemidy (FRA) |
| Length | 34.000 ft |
| LOA | 30.510 ft |
| LWL | 22.970 ft |
| Beam | 10.500 ft |
| Displacement | 4850 lb |
| Max Draft | 4.760 ft |
The standard boat dimensions
| i | 43.63 ft |
|---|---|
| j | 14.76 ft |
| p | 38.55 ft |
| e | 10.99 ft |
| p2 | - |
| e2 | - |
| i2 | - |
| j2 | - |
| I | J | P | E | P2 | E2 | I2 | J2 |
|---|---|---|---|---|---|---|---|
| 43.63 ft | 14.76 ft | 38.55 ft | 10.99 ft | - | - | - | - |
Blueprints
Misc Images
Sails
Brise de Mer 34 - MAINSAIL
| Luff | * 38.55 ft - (11750 mm) |
|---|---|
| Foot | * 10.99 ft - (3350 mm) |
| Leech | * 39.48 ft - (12034 mm) |
| Tack Angle | * 88 ° |
| Diagonal | * 39.72 ft - (12107 mm) |
| Head (inches) | * 5.25 in - (133 mm) |
| Area | * 218.95 ft² |
| Edit in Calculator | |
Brise de Mer 34 - JIBSAIL
| Luff | * 36.85 ft - (11232 mm) |
|---|---|
| Foot | * 19.73 ft - (6014 mm) |
| Leech | * 31.71 ft - (9665 mm) |
| Percentage LP | * 114.97 % |
| Length Perpendicular | * 16.97 ft - (5172 mm) |
| Deck Angle | * 11.98 ° |
| Area | * 312.68 ft² |
| Edit in Calculator | |
Brise de Mer 34 - GENOA
| Luff | * 43.76 ft - (13338 mm) |
|---|---|
| Foot | * 24 ft - (7315 mm) |
| Leech | * 40.99 ft - (12494 mm) |
| Percentage LP | * 150 % |
| Length Perpendicular | * 22.14 ft - (6748 mm) |
| Deck Angle | * 4.01 ° |
| Area | * 484.43 ft² |
| Edit in Calculator | |
Brise de Mer 34 - GENOA
| Luff | * 43.76 ft - (13338 mm) |
|---|---|
| Foot | * 24 ft - (7315 mm) |
| Leech | * 40.99 ft - (12494 mm) |
| Percentage LP | * 150 % |
| Length Perpendicular | * 22.14 ft - (6748 mm) |
| Deck Angle | * 4.01 ° |
| Area | * 484.43 ft² |
| Edit in Calculator | |
Brise de Mer 34 - ASYMMETRICAL
| Luff | 44 ft - (13411 mm) |
|---|---|
| Foot | 26 ft - (7925 mm) |
| Leech | 41 ft - (12497 mm) |
| Perc LP | * 165 % |
| Area | * 858 ft² |
| Edit in Calculator | |
Disclaimer. Boats are not all the same -- even when produced in the same factory of the same model. Sailrite does its best to publish accurate dimensions, but we often find it worthwhile to have our customers measure their boats carefully before we produce kits for them. You should take the same precautions, especially when the data is not from Sailrite. The information on this site is not guaranteed to be accurate. Sailrite offers this content as a service to our community, but takes no responsibility for the reliability of the data provided.