There were two goals in each half from the hosts, with Kurtis Cumberbatch, Tom Beere, Kenny Aileru and Adam Coombes all on target.
The defeat leaves the Rocks 11 points adrift of safety with 17 games to play and needing a huge run of results to stay up.
See pictures from the match by Lyn Phillips, Trevor Staff and Tommy McMillan on this page and the ones linked, or just by scrolling down the single page if you’re on the Observer app. Get the Rocks latest in the Bognor Observer, out every Thursday.

1. Lyn Phillips
Cray Valley PM v Rocks, Isthmian premier division Photo: Lyn Phillips and Trevor Staff

2. Trevor Staff
Cray Valley PM v Rocks, Isthmian premier division Photo: Lyn Phillips and Trevor Staff

3. Lyn Phillips
Cray Valley PM v Rocks, Isthmian premier division Photo: Lyn Phillips and Trevor Staff

4. Trevor Staff
Cray Valley PM v Rocks, Isthmian premier division Photo: Lyn Phillips and Trevor Staff

