If your trip to Loutra Killinis is all locked in but your itinerary is a little on the empty side, let us give you a few hints and tips.Plan a stop at Arkoudi Beach. It's one sight you'll find on travelers' to-do lists. If you still have room on that travel itinerary, No Limits Watersports & Diving center and Chlemoutsi Castle will keep you on the go too.