Astin leans out, swaying perilously over the water for a moment, and manages to grab the bottom run of the ladder. Hurriedly. they begin to lash their boat on--they don't want it to drift away while they're looking for people, after all. Once they have a knot tied, they nod at Peter.

"...Up we go, huh?" That said and with a grin that carries too much confidence for this sort of thing, Astin hauls themselves up onto the ladder and begins to clamber upwards, heedless of the wind, rain, and motion of the boat. Daring as ever.