Herne Bay Beach is a park in Coatesville, Rodney, holding a 4.2 rating from visitors.
In smaller, more rural settlements, a "beach" name doesn't always mean a stretch of ocean sand, it can just as easily be a local nickname for a swimming spot on a stream or reservoir, so it's worth confirming what kind of water is actually there before turning up with beach gear expecting surf or tide. Locals tend to know these informal names better than any map, and word of mouth is often the most reliable way to check current access and conditions. Treating a rural stop like this as a relaxed, low-key visit rather than a full beach day usually matches the reality better.
For those in the Coatesville area, it's worth checking locally what to expect before making the trip out to Herne Bay Beach.