The Hauraki Gulf is a large marine area located off the coast of New Zealand's North Island. It covers approximately 1,500 square kilometers and is known for its diverse ecosystems, including islands, marine reserves, and rich biodiversity. The gulf is home to various species of fish, seabirds, and marine mammals, making it an important area for conservation. The gulf is bordered by several towns, including Auckland and Thames, and features numerous islands such as Waiheke Island and Great Barrier Island. It serves as a popular destination for recreational activities like sailing, fishing, and diving, attracting both locals and tourists.