deck repair question

[kglynn]

I recently tore up a section of soft deck on a 1985 seacraft, ive got about a 3' by 1', section to replace, what type of wood would you replace this with, the old wood is 4x6" pieces of ply wood, I belive, should I use marine ply-wood, and cut it into 4x6" pieces, then reglass?

Thanks,
KBG