There is a coastal path from Patara Prince to Kalkan, as you are a bit further at Kisla you would have to negotiate a hill before hitting the path. The coastal path is an easy mostly flat walk. We always walk in and back from CP. It is about a 20 minute stroll along the path. It really depends on your fitness levels, walking back is quite tough in the heat of the high season but not quite as bad early and late season. The views and sunsets on this side of the bay are spectacular and another bonus is you get the full sun until it sets behind the mountains