The current routing may not always put you on the correct side of a navigational marker, but you should be in water that is deeper than your profile draft. If you are not comfortable with the depth the route is using then you should increase your buffer.
The routing algorithm is designed to provide you with the shortest path based on your draft and buffer using the current NOAA and USACE depth data. It does not take the markers or channels into consideration, not yet. That is something we are considering adding, perhaps a second optional route that’s longer but safer.