Bear Islander is right... people who own waterfront property do have certain rights..... The actual property they own ends at the high water mark. However they can put in docks, moorings and swim zones. These are regulated and need to be approved (taxed).
https://en.wikipedia.org/wiki/Riparian_water_rights
That being said... I have problem with NRZ's as they limit the publics ability to enjoy what is a public asset because of some property owner objection.
Woodsy