Heineman’s Winery’s gift shop caters to the grape and vineyard lovers. Also, they have an interesting assortment of geodes, rocks and minerals for sale. Crystal Cave, which rests below this Put-in-Bay shop, is home to the Worlds largest geode. Tours are available. The gift shop selection includes Heinemans Wine and Grape Juice. Made from grapes grown on the island by the family, this wine truly embodies the spirit of Put-in-Bay and the Lake Erie Islands. The winemaking traditions run deep, and the Heineman family has been at it all along. This winery is the oldeset family owned winery in the State. Stop in and grab some garb from this historic Put-in-Bay Attraction.