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IST Sports

Founded in Taiwan in 1976, siblings Irene, Stanley and Tony Lin joined together to form IST. Named after their combined initials, the company symbolized a community effort to work together toward a better future. Today, IST has a broad range of recreational and commercial diving equipment that divers love worldwide. Visit istdivingsystem.com for more.

IST Sports Articles

IST Sports O300 Octo Regulator
A high-visibility alternate air source regulator featuring balanced performance, ergonomic comfort and reliable breathing in all conditions.
IST Sports R-2000 Regulator
A balanced regulator system designed for consistent, comfortable breathing across a range of diving conditions, including cold and contaminated water.
IST Sports Compact Dive Knife K60
A compact, versatile dive cutter with a squeeze-lock system and inflator hose mounting option for quick, easy access underwater.
IST Sports Squeeze-Lock Dive Knife K27
A user-friendly dive knife featuring a squeeze-lock system for secure storage and effortless one-handed deployment underwater.
IST Sports Spearfisher’s Knife K26
A durable, full-tang dive knife designed for versatility, featuring dual cutting edges and rugged construction for a range of underwater tasks
IST Sports GP-35 High-Pressure Gauge
A compact, precision-built pressure gauge delivering reliable readings with dual-scale visibility for both imperial and metric units.
Best New Dive Gear February 2026
Always on the search for worthy new dive gear, this month we're spotlighting three items: a new regulator, dive computer and dive knife.