We leave for Puerto Rico in less than a month. Any suggestions on what we should do on a Sunday - with the key requirement being that it's not too crowded. That Saturday we will go to Las Cabezas and also a biobay tour but was wondering on what to do on Sunday. We will go to El Yunque during the week since it sounds like it gets crowded on weekends. A short hike would be nice but we really prefer to avoid crowds when hiking.