B03 parent here. It was either Surf Cup or Silverlakes. Unless you are a an out of town "Best of the Best", (or just out out town) then you didn't get into Surf Cup. You can't really expect Surf to accept anything more than a token local team (other than 2 mediocre Surf teams) who aren't staying at the $150 a night hotel. Norco was hot but not unbearable. All the brackets that I followed only played one game a day. As someone whose kid plays at Norco all season, I can say that I prefer the fields and the amenities over Polo grounds or Oceanside. If it wasn't the wind, then Norco would be perfect.
The year my younger son got to play in Surf Cup it was as a guest player on a guest team - the National Cup winner in their Cal South age group had won admission, but when they won at Regionals they were no longer available for Surf Cup - so the team my son frequently guested with (ed: - deleting a long story about friends of friends) was asked to fill in, apparently at a huge discount from SC list price.. In their pool round they played three teams from east of the Mississippi, all supposedly their State Cup-equivalent champions or finalists, didn't lose a game, won the group - and then were eliminated by the sister team of the team who was away at Nationals.