Go for a stroll along the water's edge and enjoy some fresh air at Magong Harbor. It's always nice watching the boats coming and going.
You'll have sightseeing choices galore when spending time in Magong. Magong Harbor is a good place to start here, but there are many other interesting spots to visit. Shanshuei Beach, Penghu Tianhou Temple, and Penghu Guanyin Temple are not far from the place for ships to anchor and will fill in your day nicely.