Yes, you should tip the bartender or server in a cigar lounge. A good rule of thumb is to leave a 20% gratuity on your total bill. This is an appropriate way to show appreciation for the service provided by the bartender or server. It’s important to remember that some cigar lounges are small establishments where staff members may rely heavily on tips as part of their income. Leaving a generous tip will help ensure they can continue providing excellent customer service and maintain the quality of their lounge.