Since there is no sign prohibitting smoking and Rule #11 clearly states cigarette butts are to placed in the trash receptacle, anyone with a room temperature IQ would logically deduce that smoking is permitted.
Welcome back Gabz!
And without a doubt. If Rule# 11 states that cigarette butts will be disposed of, then one would naturally assume that smoking is permitted at this beach.
But to have a cop come and tell the family they had to "leave" because someone was smoking is absurd. If there is no smoking at the beach, post a damn sign! How hard can it be?