You can rent a bike from the Brujita place according to the Coron page, or just ask around. The following was recommended to me by a local friend. I like to use maps.me, because it does not require internet but only gps. During the rainy season (June to Novemberish), be careful of wet, soft, muddy roads that is easy to slip with your bike. I did this trip in June of 2018 and found some roads washed out or blocked later on, so I will only explain an easy and nice route for a day or two. During the dry season you can explore more, unfortunately I could not fit…