[ A science-y-minded girl like Annabeth is interested! She makes a mental note-to-self to talk to someone about troll biology when the time seems right. ]

Wicked brew? [ Initially Annabeth thinks he means beer, but then she sees the Faygo and almost laughs. This must be the guy who told her to crack open a Faygo with Leo that time. ] Oh, I see. Thanks!

Heh, yep. They float on the water. Then you stand on them and let the wave bring you into shore. It... sounds a lot easier than it is though.