Kakamatua Inlet is a park at Huia on Auckland's western edge, rated 4.8 from 43 Google reviews. Dog owners describe it as a little spot of paradise for off-lead roaming and swimming, reached by a bush walk from the carpark, with a toilet near the beach.
The best off-lead beaches offer more than open ground: shallow, sheltered water to swim and space for shy dogs to keep clear of boisterous ones. A sheltered inlet does this particularly well, with far calmer water than the surf beaches further up Auckland's west coast. Regulars keep a simple code — solid recall before the lead comes off, eyes on the dog, bags pocketed — and it pays to check council signage, since off-lead rules vary from beach to beach.
For West Auckland dog owners, it's an easy drive out past Titirangi to a sheltered corner of the Manukau Harbour, with a swim waiting at the end of the track.