Almost all the bachelor parties were done in rented houses by the lake. And we always had fun swimming in a race before we got drunk. Of course, we didn't swim drunk because it's dangerous. And then we turned on loud music, competed in strength, tried arm wrestling duels, and so on. It's always fun. When I was chosen best man, I found a resource with a bunch of ideas for parties. On
https://adultpartythemes.com/ideas/what-to-wear-to-a-rave, there are a lot of articles about parties of different formats. For example, you can find ideas for a bachelor party, Halloween, Christmas, birthday, and anything else.