Freedom Camping Cox's Bay Reserve is listed as a park at 44/66 W End Rd, Coxs Bay, Auckland City, with a Google rating of 3.8.
A good city park is open, clean, well kept and safe to use, with paths, grass, seating and rubbish bins that are emptied regularly. Parks by the water, like those along Auckland's harbour edge, are best on a fine morning or evening, and they can be busy at weekends. Check the signs at the entrance, because councils set rules about dogs, fires, alcohol and where you can park. The name suggests overnight freedom camping may be allowed here, and that usually comes with limits such as self-contained vehicles only, so check the current council rules before you stay. Regulars take their rubbish home and keep noise down, which keeps these places open for everyone.
For anyone in Coxs Bay and central Auckland, Freedom Camping Cox's Bay Reserve is a harbour-side park to visit, so check the current rules first.