While not an activity, Goodies is a Kaufman family favorite. About 20 minutes from Basin, it's worth a stop If you're looking for a quick bite or some ice cream. We highly recommend it. We don't recommend getting anything bigger than a medium though...
An enjoyable boat cruise on Lake Champlain. If you haven't been to Burlington before, this is a great trip out on the lake with views of both the Green Mountains and the Adirondacks.
Tons of shops and restaurants to wander through.
A great hike for those of you who want to get outdoors a bit more. One of our favorites! (About 2 - 2.5 hours up, so don't miss the wedding.)
Mount Philo is close to Basin Harbor and Fiddlehead Brewery, located between Burlington and Basin Harbor. It's a short (30 min or so) hike up the trail, or a quick drive up the mountain road. Offering great views of Lake Champlain and the Adirondacks, it's a quick and easy hike.
A waterfront campground next to Basin Harbor. A great spot to walk or sit on the water if you're looking for a change of pace and a break from the action.