Save Up To 20%, The Longer You Stay, The Less You Pay. Come to spend a unique summer in unique cities. Mamaison offers 133 days of great summer deals from April until September. Enjoy the sunlit cities rich of culture, sights and fun - with up to 20% discount. Stay with Mamaison and save 15% off our standard rate when staying 2 days or 20% off when staying 3 days. T&C: Valid for all hotels. Visit us from June till September 7th and get: From 15% discount for 2 nights. From 20% discount for 3 nights. Booking period: June 4th - September 7th. Period of stay: June 4th - September 7th. Dont hesitate and plan yourself a couple of relaxing days off now.