TheFork users who ate in Carnac have said really good things about L'Eskell - Le Diana Hôtel & Spa NUXE, Itsasoa and Le Cairn. Maybe you should give them a try!
Some of the more popular Fine Dining restaurants with a romantic atmosphere in Carnac according to TheFork users include:
L'Eskell - Le Diana Hôtel & Spa NUXE, with a 9.4 rating
Itsasoa, with a 9.4 rating
Le Cairn, with a 8.7 rating
Fine Dining and Gourmet cuisine provides insight as to what each culture considers the art of good living. For some cultures it's luxurious and expensive, for others it's sophisticated and rare. Conduct a search for the best gourmet restaurant in your city and enjoy!