The M34 is a French sailboat that was designed by Joubert/Nivelt/Mercier as a one-design racer and first built in 2010. The boat was used as the class for the Tour de France ÃÂ la voile.
The design was built by Archambault Boats in France from 2010 until 2013, but it is now out of production.
The M34 is a racing keelboat, built predominantly of fibreglass with a sandwiched core. It has a 7/8 fractional sloop rig with a carbon fibre keel-stepped mast and fixed bowsprit, and an aluminum boom. The mast has two sets of 20ð swept spreaders. The hull has a plumb stem, a raised plumb transom, an internally mounted spade-type rudder controlled by a tiller and a fin keel. It displaces and carries of lead ballast.
The boat has a draft of with the standard keel. The keel can be partially raised for ground transportation and gives a draft of with it raised.
The boat is fitted with a Swedish Volvo diesel engine of with a saildrive for docking and manoeuvring, supplied by a fuel tank with a capacity of .
The design has sleeping accommodation for four people, in two cabins. The below decks headroom is
For sailing downwind the design may be equipped with an asymmetrical spinnaker of . It has a hull speed of .
The boat served as the one-design class for the Tour de France ÃÂ la voile from 2011 to 2014.