- Monday to Friday: 9:00AM-5:00PM
- Saturday to Sunday: 9:00AM-5:00PM
- Closed: October 24 - April 1
Heineman's Winery, which has been making wine on the island for more than 100 years, offers tours of Putinbay's winery, as well as wine and grape juice tasting in their beautiful wine garden. It is also home to Crystal Cave, the world's largest geode. Visitors can tour the awe-inspiring cave, which kept the winery running during Prohibition when wine couldn't be produced. Admission is $6.00 ($3.00 kids).