We had 3 adults and 5 teens on the boat.
Never felt crowded at all. The SL bow is pretty well sized for the rest of the boat. Has a smaller sundeck than im used to but made the interior feel real spacious.
Water temps were 74 and 80ish air iirc. Not mead but not iceland either.....
'06 Supra Launch 20SSV-gone but never forgotten