The keyword specifies —meaning both genders present. This is crucial. All-male CFNM is a different genre (often tied to medical fetishism). CFNM mixed swim is heteronormative or bisexual-friendly but relies on the binary contrast of male nudity versus female clothing.
Socializing in a state of "mixed dress" can feel different than a standard pool party. Following basic etiquette helps everyone feel at ease: Towel Basics: cfnm mixed swim
To understand the appeal, we have to strip away the surface-level titillation. For many participants, the CFNM mixed swim taps into deep-seated psychological currents: The keyword specifies —meaning both genders present