This presentation offers a high-level overview of the global submarine industry in 2025, highlighting recent developments across research, commercial ventures, expeditionary programs, tourism, and government operations. Building on discussions from the International Submarine Symposium held in October, it examines emerging regulatory trends aimed at ensuring safe and sustainable subsea operations. Particular attention is given to the 2025 U.S. Coast Guard and NTSB reports on the Titan submersible accident, which provide important recommendations shaping the future governance of manned submersible activity.