1. Future Cities: The Blue and Biophilic -- 2. Planning the Balance of Danger and Delight -- 3. Unsustainable Bounties for the Blue: Cities to the Rescue? -- 4. Making the Marine World Visible -- Fostering Emotional Connections to the Sea -- 5. Reimagining the Blue Edge -- 6. Just Blue (and Biophilic) Cities -- 7. Conclusions and Trajectories: Final Reflection on Blue, Biophilic Urbanism