You don't have a boarded boat, so you don't have to worry about sandbars.
Keep a sharp eye on the weather. The sound, because its so shallow, can kick up some NASTY chop. We've had greenwater break over the bow of the schock 35 I crew on while crossing the sound. Bring a radio just in case.
I'm envious... wish I could go out there. Beware of traffic.