 Solar-driven interfacial evaporation has been rapidly developed over the last few years due to advances in photothermal materials and structures. These advancements have led to high conversion efficiencies approaching 100% with some achieving above the theoretical limit. This paper reviews the latest developments in solar-driven interfacial evaporation, including its design principles, current salt rejection strategies, and opportunities and challenges for future research. This article was authored by Yaoxin Zhang, Ting Xiong, Dilip Krishnanandukumar, and others.