Best of the bars scavenger hunt is a well-liked, three hour hunt around the bars in downtown Key West. Plus you get 2 for 1 drinks at all the bars. $20 per person. This runs on weekends and starts at 7pm.

There is also a Pub Crawl, cost is $29 per person online.  Tour includes: T Shirt and a tour of 6 bars that give you 6 drinks. Here is the website for more information