The places some individuals choose to have sex in public may surprise you, yet some people find it exciting. From many options to Best places to have sex in public, Cars are the best place to have sex in public, hands down. 16.1 percent of the people pick this option as their preferred choice. It's convenient, it offers some privacy, and it's a quick respite. In addition, it's a popular American pastime, with 66% of respondents agreeing.