Terry Schrunk Plaza in Downtown Portland is an interesting case, as it commemorates a notorious reformist mayor and exists on a site that had a bathhouse and short-stay hotel. The Aero-Vapors Baths was a full-service bathhouse, with steam and soak facilities plus massages. It was a sex-segregated space, and reference to its use as a cruising site exists in numerous places.The segregation by sex was ostensibly to protect women from men ogling them, but curiously enough, Lownsdale and Chapman Squares were segregated as well, with Lownsdale being only for men and Chapman for women. This was largely understood to have been done for morals reasons, and although few sodomy arrests are recorded, many many more for solicitation and morals are recorded from the 1930s to the 1940s. By the time the parks were opened up to all regardless of sex in the 1960s, the State of Oregon was on its way to decriminalizing sodomy.
At this time, theaters had become a major cruising site, many of these theaters being billed as open to the public, but they often showed adult films which prevented minors from entering at any time. The Circle in the Yamhill District and the Star and Paris Theatres on Burnside were notorious to the point of being raided. The Star Theatre, for example, was busted when it came out that they were showing gay films alongside hetero scat films. Contemporary histories indicate that sex was basically nonstop in this theaters, but it is otherwise unknown whether or not this a factor in these busts. As a result of these fairly arbitrary busts, an eventual current of opposition to them led to first amendment challenges that ultimately made nudity legal in the state with certain restrictions and relaxed obscenity laws, queer public sex existing as a background to the entire move.
Fun note: the Star Theater, originally the Princess Theatre, was where a 15-year old Courtney Love danced before leaving Oregon.