Depends on where you are. I lived in Annapolis for a while, and you could see the stumps of a British fort on Spa Creek emerge at low tide: that area has been subsiding slowly for a long time. I’ve read that the Virginia part of the Chesapeake has sunk due to lowering the water table by pumping.
The water level at Ft. Morgan has gone DRASTICALLY down, revealing...
https://news.yahoo.com/shifting-sands-isaac-reveal-1923-shipwreck-214132550.html