In a similar 2009 Florida case the SCOTUS ruled that owners do not have the property rights to forever touch the water. The case was a bunch of landowners saying that the city "took" their land because the city added 75 ft of new sand to mitigate beach erosion. "Land created by a sudden event belongs to the owner of the seabed, applies to beach restoration. Because here the state owns the seabed, there could be no taking." The property owners lost.
In Washington State public beaches are public — and private beaches are private.
Here’s a link to the Dept. of Ecology web page with some info. Specifically, it says… “Don’t trespass. Many public access beaches are bordered by private property. Please stay within park boundaries.”
The folks at the Long Beach Penninsula Visitors Bureau tell a more complete story…
“Unlike some coastal states, Washington’s tidelands and beaches are not all in public ownership. The state Legislature elected to sell its tidelands and beaches in 1889.The practice continued for about 80 years, until the Legislature changed the law in 1971. Today, an estimated 60 to 70 percent of Washington’s tidelands are in private hands. Public access is available only to about 30 percent of the state’s shorelines… ”
https://bainbridgeshorelinehomeowne...am-i-free-to-walk-across-someone-elses-beach/