Revolution Hostel in Koh Tao is the most popular party hostel on the island. It's located near Sairee Beach so its perfect for easy access to the beach, restaurants, and dive shops. They offer nightly activities to get everybody socializing with cheap buckets, family dinners, and game nights.
They also host a Booze Cruise around the island for a wild day out at sea. This hostel is great for solo travelers and those looking to party!