The Hauraki Gulf, also known as Tikapa Moana or Te Moananui ā Toi, is a national treasure. The Sea Change – Tai Timu Tai Pari marine spatial plan is being developed collaboratively by mana whenua, government, local communities, and interest groups to protect this valuable resource.Whether you use the gulf for leisure, aquaculture, fishing, shipping, tourism, or simply care about its wellbeing, the plan affects and involves you. Learn more.