Recognizes watersheds and coral reef ecosystems as legal persons with inherent and inalienable rights to exist, flourish, and naturally evolve. Establishes enforceable ecosystem rights grounded in public trust doctrine and Native Hawaiian customary stewardship. Authorizes citizen enforcement, restorative and injunctive remedies, civil penalties, and continuing duties of ecological repair, including for historic harms. Provides for open representation, community consultation, co-governance, and supremacy over conflicting laws.