Welcome Trace, I assume you know about the Out of stater having to have a MD resident with you when hunting on the River, but it does not apply, I think if you are on MD owned land or if the islands are considered river bottom. But if you have a boat a MD resident is usually easy to find here to tag along with you.
I have never hunted down that way so i can't help much. But welcome anyways.
"If you can't have fun doing it, it ain't worth doing, or you're just doing it wrong."
River hunting in my Wilderness Systems Kayaks; Commander 120 and Ride 135
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