Set-up a martini bar with vodka, gin, vermouth, shakers, traditional garnishes and some other mixers for creative and cool martinis. You could come up with your own signature martini and print up a recipe card so guest can shake up some fun. If possible, have some premixed, if that works.

The average monthly revenue for a cocktail bar can vary significantly, typically ranging from $5,000 to $70,000. This range depends on several factors including the bar's location, size, customer base, and the services it offers.