Is there a bar to have a cocktail or glass of wine before or even have dinner at the bar?

Yes.

Yes there is.

Yes, of course.

Oh yes!

The Old Yarmouth Inn has resentally increased the bar to 20 seats.they serve cocktails Beers Wine and non alcohol offerings .You can also have your Lunch and Dinner at the bar

Yes, a very nice bar. And you are permitted to have dinner at it. It appears to be preferred seating. Lastly, it is a lit of fun.

Yes, and the drinks are made well. ;-)