Ressurreição, Adriana2025-09-192025-09-192025-072949-7906http://hdl.handle.net/10400.1/27708Marine ecotourism offers promise for sustainable blue economies but remains overlooked. In a recent Cell Reports Sustainability article,1 authors explore its transformative potential, focusing on global economic impacts of scuba diving tourism. Here, we reflect on broader sector impacts, key barriers, and actions to unlock marine ecotourism’s full socio-ecological promise.engFrom promise to practice: Unlocking the multidimensional value of marine ecotourismjournal article10.1016/j.crsus.2025.100458