The rangers I saw at the closed visitors center said the camp grounds store has the stamp for passports, but we couldn't find the camp store. There was a table display at the visitor center but that was all we saw.
Get in touch ocean springs DMV and see how you can contact park ranger,
Currently the visitor center is closed.due to covid) and, the interpretative park rangers are not at the Davis Bayou location of the Gulf Islands National Seashore ...
I honestly don't know.
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