You might want to head out to Harder Kulm for some fresh mountain air and a bird's-eye view of Unterseen. It's also full of great shops and restaurants, so you can spend the afternoon having a wander.
You might want to practice your swing at Golf Club Interlaken-Unterseen, a golf course located 1.5 mi (2.4 km) from central Unterseen. It's also full of great shops and restaurants, so you can spend the afternoon having a wander. If Golf Club Interlaken-Unterseen doesn't quite scratch your golfing itch, Mini Golf Wengen is just a short drive away.