Get 20% From Book Now Pay Later Rates U Koh Madsum Samui by U Hotels & Resorts, Thailand. Book 30 days in advance get 20% discount. Offer Includes: Complimentary minibar with daily replenishment. Breakfast whenever wherever for two persons. Free Wi-Fi internet access everywhere in the hotel. 24 hours use of room, no matter what time you check in, you can enjoy your stay until the same time you check in. International and local calls at cost. Plus other amenities that you can select from our online U Choose program. T&C: Booking & staying period from now until 31st December 2015. Book Now.