Get a dose of vitamin D at Beach of the Two Sisters. Once you've worked on your tan, hang around and watch the sky explode with color as the sun slowly disappears.
You'll have no end of sightseeing choices when spending time in Italy. Beach of the Two Sisters is a great place to kick off here, but there are numerous other fine sights to check out. Mount Conero, La Spiaggiola, and Spiaggia di San Michele are not far from the stretch of coastline and will fill in your day nicely.