$75-$225 per person depending on your group size. Austin’s Boat Tours on Lake Travis specializes in bachelor and bachelorette parties since they have 10+ double deck party boats and party buses. Book directly on their website and you can book boats that come with captain included, roundtrip transportation, food, and bartenders all in one booking flow! So easy – only requires a $400 deposit now and the rest due when you arrive at the marina.