Many diners do not serve alcoholic drinks, although some may serve beer and inexpensive wine, while others—particularly in New Jersey and on Long Island—carry a full drink menu, including mixed drinks. Many diners serve hand-blended milkshakes. The food is usually quite inexpensive.

What's the difference between a restaurant and a diner?

a diner is a particular kind of restaurant usually only serving American classics like hamburgers and milkshakes. whereas a restaurant is anywhere you go out to eat.

Does the Maine diner serve alcohol?

Yes they serve beer and wine. Here's a link to check out their menu. We also bought coffee mugs which I really like. over a year ago.