Sounds like the kids are too young to be left unsupervised, so if it’s a family trip, maybe focus on the family instead of sex (unless, like some have mentioned, there’s a supervised kids activity or area you could leave them for a while) 
@Cali_Nyx You can ignore or mute specific users from your profile settings (Preferences —> Notifications —> Users). You can also mute any threads that you don’t want to see by clicking the bell at the bottom of the thread and selecting “Muted”… @Ian_Chimp explained it better and with links in this thread 