Domaine le Mezo hosts seminars, conventions, executive committees, team-building programs, gala dinners and weddings, with 2,000 square meters of event space. Its main hall seats up to 350 guests, and a seasonal safari tent takes 300 at tables or 600 at a cocktail. More than 100 bedrooms can sleep up to 250 people on site. The estate stands at Ploeren, on the road to Arradon, near Vannes and the Gulf of Morbihan in southern Brittany.
Seminars and company events
The estate sells residential seminars, board meetings, conventions, team building, team meals and business lunches, with a winter seminar offer. The Salle de Créativité, 140 square meters, holds meetings of up to 50 people with a screen, video, sound and video-conferencing equipment. Four salons in the château, from 22 to 38 square meters, suit executive committees, private dinners and wine tastings.
For a plenary, the Grande Salle de Réception covers more than 440 square meters, seats up to 350 and has two projectors, two large screens, sound and lighting, a cloakroom and air conditioning. For larger audiences, the team works with two partner halls 5 and 10 minutes away by coach: one with a telescopic stand of 300 seats, the other with 800 seats and a 300 square meter stage.
Activities on the estate include garden and vegetable-plot workshops, a beekeeping workshop for up to 12 people at the estate's own apiary, yoga, Pilates, tennis, beach volleyball and football, and kayaking on the gulf.
Weddings and receptions
Weddings, birthdays and family celebrations are sold in high season, low season and winter. The Serre, a 19th-century greenhouse of 210 square meters with an office and a bar, takes up to 190 guests for a champagne reception and opens onto the park. Dinner moves to the Grande Salle or the safari tent, and the party to Le Club, a nightclub space with sound, lighting, a bar and a DJ booth. La Nef, a new modular outdoor structure, is used for long dinner tables outside.
Rooms and capacities
Grande Salle de Réception: over 440 square meters, up to 350 seated. Tente Safari: 500 square meters (21 by 24 meters), 300 at tables or 600 standing, heated by a wood boiler, on a Douglas pine deck, installed for the season. La Serre: 210 square meters, up to 190 guests. Salle de Créativité: 140 square meters, 50 in meeting layout. Château salons: four rooms of 22 to 38 square meters.
Accommodation
The château has six bedrooms with bathrooms, including two large suites, for 12 to 14 people. Seven farmhouses in the former stables and cowsheds offer 35 bedrooms for up to 70 guests, three loft duplexes take up to 14 each, ten yurts of 38 square meters sleep two to four, and seven wooden lodges stand by the ponds. The heated indoor pool, 18 meters long, is open all year.
Catering
The estate's chefs handle every meal, from breakfast to a seated dinner or a cocktail, with seasonal, local produce and vegetables from the estate garden. The restaurant, La Table du Mezo, holds two toques in the Gault&Millau guide.
History and setting
The first records of the site date from the 15th century, and a manor is mentioned here in 1427. The present château was built in the 19th century, followed by the outbuildings, the coach house and the greenhouse. After more than two years of works, the estate reopened as an event venue. A one-kilometer avenue of trees leads to the house, and the park holds an orchard, ponds and old trees. The estate is certified Green Globe and holds the EU Ecolabel since 2026.
Getting there
The estate is in Ploeren (56880), a short drive from Vannes. The venue points to easy access from Vannes TGV station. Two car parks take coaches and have charging points for electric cars.
