book flounders on your own. it's a liability thing. you have to sign forms and all.
however, that said, when we went 3/9, there was a counselor from the oceaneer's club at the concierge meeting upon boarding who allowed us to sign all the forms there (in sessions) rather than having to go stand in line outside the club. we were able to sign up our boys for both the club and the lab. we are (finally!) past needing flounders so i don't know if they have someone from the reef there to sign concierge guests up.