Did John B Cheat on Sarah?

Sarah ultimately cheated on Topper in Outer Banks season 1 after striking up a romance with John B (Chase Stokes), which, of course, isn't ideal. But we all knew from the beginning that Sarah and Topper were not meant to be, and I'm sure Sarah herself knew that subconsciously.

Did Sarah and John B sleep together?

Sarah then expresses that she's afraid that if they have sex, and she loses her virginity, that he will not like it — John B says they can wait. Sarah looks at him and says “thank you”, and they have sex. ... Outer Banks season 1, episode 7, “Dead Calm” closes with John B joining Sarah's father Ward for a fishing trip.

Do Sarah and John B break up in OBX?

The short answer is yes, John B and Sarah do end up together by the end of Outer Banks season 2. However, they also break up earlier on in the season. Both parties simply have too much baggage to be together, with Sarah upset over her father's death and John B almost happy about it.