If you want to inject a little more culture into your getaway, put Ribeirao da Ilha Eco Museum on your to-do list. Check for guided tours or simply roam around at your leisure.
You'll find this attraction in Florianopolis. Pay the entry fee and then take your time to explore. If you still have time after Ribeirao da Ilha Eco Museum, head for nearby sights like Lagoinha do Leste Beach, Praia do Campeche and Armacao Beach.