Beaches are prone to erosion by waves as they consist of unconsolidated materials, mostly sand. Point Reyes is a rocky outcrop that has been battling the waves for millenium. So, by the way you have worded your question, the point is more resistant to wave erosion that the beach.
Now, which is eroding and which is accumulating sediment is a different question.
promontory
The address of the Point Reyes Station Library is: 11431 State Route 1, Point Reyes Station, 94956 1330
The address of the Point Reyes National Seashore is: 1 Bear Valley Rd, Point Reyes Station, CA 94956
The Point Reyes Light was created in 1948.
The phone number of the Point Reyes Station Library is: 415-663-8375.
The phone number of the Point Reyes National Seashore is: 415-464-5100.
The web address of the Point Reyes National Seashore is: http://www.nps.gov/pore/index.htm
biitch
The area of Point Reyes National Seashore is 287.44 square kilometers.
Point Reyes National Seashore was created on 1962-09-13.
It was named King's Point (Punto de Los Reyes) by Explorer Sebastian Vizcaino in 1603.
Point Reyes, located on the northern coast of California, is especially known for its hiking, kayaking and bird-watching. The Point Reyes National Seashore contains protected habitat for many animal species. Another famous attraction is the Point Reyes Lighthouse, built in 1870.