Hôtel C2 is a 20-room boutique hotel in a 19th-century mansion in Marseille's 6th arrondissement, just above the Vieux-Port. Its spa, renovated in July 2026, has a heated indoor relaxation pool, a whirlpool, a sauna, multisensory showers, a tea corner and a solarium. Two hours in the relaxation area are sold for 45 EUR, and massages start at 75 EUR for 30 minutes. The spa area is open every day from 9 AM to 10 PM.