If this place is on a 20 acres and has buildings where people play inside they should be left alone.
Playing outside at night is also fine. What does the surrounding community have , night vision goggles. People that are trespassing on private property to sneak a peak should be arrested as peeping toms.
Don't bother the adults that are just enjoying life's given pleasures.
The place Needs proper fencing to keep the curious children out.
However, have you read what kids do today? Oral sex is not sex, but rather friends with benefits.
By 1970 standards, today's teens are swingers