Special Launch Rate 40% Discount U Koh Madsum Samui, Thailand. Special Discount: 40% from Book now pay later rates. Offer includes: Complimentary minibar with daily replenishment. Breakfast whenever wherever 2 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. T&C: Booking period : now - December 31st, 2015. Staying period : 1st Aug -December 31st, 2015. Book Now.