Be heard.
Below the surface.
A powerful, independent underwater signaling and multipurpose dive tool—created from decades of real-world diving experience.
See it.
Hear it.
Watch Da Zappah demonstrate its powerful underwater signal in a real diving environment—independent from the diver’s air supply.
Meet Glenn Harrington.
Glenn Harrington is a United States Marine Corps veteran, experienced commercial diver, scuba instructor and the founder and inventor of Da Zappah. Based in Hawaiʻi, Glenn has spent more than 25 years scuba diving and more than 20 years working professionally in commercial diving and other ocean-based operations.
After decades of working above and below the surface, Glenn recognized the need for a dependable underwater signaling tool that could produce a strong, distinctive sound without connecting to a diver’s air supply. Drawing from his military background, professional diving experience and firsthand understanding of the challenges divers face underwater, he developed Da Zappah.
Da Zappah represents the culmination of Glenn’s experience, problem-solving ability and lifelong connection to the ocean. His mission is to bring divers a practical, durable and thoughtfully designed tool created by someone who truly understands the environment in which it will be used.
Da Zappah is a product unlike any other. Made for scuba divers, by scuba divers.
Veteran Owned
Founded by U.S. Marine veteran Glenn Harrington, Da Zappah is built on discipline, preparedness and decades of real-world experience.
Developed In Hawaiʻi
Inspired by decades of working and diving in Hawaiian waters, Da Zappah was created to solve a real problem faced by divers in the real world.
25+ Years Underwater
Developed by a scuba instructor with more than 25 years of diving experience and over 20 years in commercial diving. This isn’t theory—it’s experience turned into a tool.