Get your fix of vitamin D at Sunayama Beach. Once you've worked on your tan, stick around and watch the sky change color as the sun begins to set.
If you like the word "free" as much as most do, you'll be glad to know this stretch of coastline is precisely that. Sunayama Beach is located in Miyakojima. To keep your sightseeing schedule full while you're around these parts, also stop by Hirara Tropical Botanical Garden, Miyakojima Marine Park and Miyakojima City Museum.