- The Waiheke Health Trust aims to provide the best possible Community Health Care services to all peoples living on, or visiting, Waiheke Island, ensuring that all aspects of our services embody the Treaty of Waitangi. Audiovisual Testing for Children Complaints Service and Client Advocacy Equipment Loan Pool Family Therapy General Radiology Health Promotion Home Health Care Home Support Services ...www.waiheke.co.nz/health.htm