Secret Deal - 10% Off in ON8 Sukhumvit Bangkok. We bet that you have reached the correct place as our Secret deal offers the best possible rate you could never find anywhere else. 10% discount on Best Available Rate. Daily breakfast for two persons. Unlimited Wifi access. Free Cancellation if made 24 hours before arrival. Valid for Deluxe Room.T&C: Offer Valid until: 31st October 2015. Book Now.