Located in Vineyard Haven at 79 Beach Road.

https://catboatcoffee.com/about/

From the website:  

"Catboat Coffee Co. is a year-round coffee shop that combines specialty beverages, Lebanese sandwiches and dips, a rotating selection of artisanal cheeses, and island-made goods.
A culinary destination, Catboat Coffee Co. is the home of complimentary food brands Epicure and Martha’s Vineyard Cheesery. We are a grab-and-go spot that is committed to celebrating the island’s maritime history and embracing an equitable future."

Special Notes: Shipping included or free delivery on island