Tiri tiri Matangi would make a great reserve around the whole island,500m exclsion zone,would give visitors the chance to snorkel while waiting for ferry etc.cleanish/clear water.Had this descussion with Scott Macindoe a few yrs ago.. There is a reserve off long bay and I think it is only to protect the pipi beds,n and same around the sisters at Waiheke/ponui only ever held undersize and Kahawai.
The problem is trying to the reserves across the line,opposition from both parties comms/reccs not in my backyard.