Chablis is approximately 45 minute drive and there are many options to visit. This link will take you a vineyard recommended by locals at Chateau du Fey
The Yonne river is just a 25 minute walk (5 minute drive) down the hill. It also passes through Joigny. The activity center sits by a small man made beach on the banks of the river where you can rent bikes and kayaks
A 30 minute drive away. 18 holes start at 64EUR. Excellent facilities and clubs available for rental
La Côte Saint Jacques is a nice hotel just a few minutes away in Joigny. In addition to the spa it also has a Michelin starred restaurant