The SeaTREK system was designed to allow practically anyone, even non-swimmers, a glimpse into the underwater world. The comprehensive, uncomplicated system comes in 3 variants: SeaTREK EP AIRCENTER, SeaTREK Self-Contained Backpack System, and SeaTREK POD System. Most SeaTREK operations use the standard EP AIRCENTER, but you may encounter the Backpack or POD Systems in several locations.

The helmets feature:

  • Soft, moldable shoulder pads that can be adjusted to fit guests’ shoulders
  • A “tri-view” lens, designed to give guests a clean, undistorted view through the flat front, left and right panels
  • A continuous supply of clean, dry, cool air, that gently blows against the front lens panel and also onto the guests’ face. The directional air flow keeps the lens from fogging and provides a comfortable breathing environment
  • Integrated weights that provide the needed weight to walk with stability on the ocean floor
  • An optional lift buoy that relieves 5 lbs of the 15 lbs of helmet weight felt underwater

All SeaTREK helmets are manufactured in the United States; made from an injection molded, durable polycarbonate. The SeaTREK EP AIRCENTER is the standard SeaTREK system that is used in the majority of SeaTREK operations worldwide.


 With the SeaTREK EP AIRCENTER, any number of helmets (5 – 65+) receive air from an electrically powered compressor that offers redundant levels of reserve air supply and safety. A digital controller monitors air delivery and ensures that guest are provided a continuous supply of air from electrical power, or backup air cylinders (in the event of a low pressure condition or power loss.)

Air is delivered via a Main Air Line to a Remote Console at the water entry point, and then on to a Floating Manifold located at the mid-point of the SeaTREK tour. The Floating Manifold evenly disperses air to the helmets. A 60 ft air line attaches to the Floating Manifold and then individual securely attach to each helmet. Air lines are buoyant and will float toward the surface, helping to keep guests’ air lines separated and organized.

SeaTREK Self-Contained Backpack System

The SeaTREK Self-Contained Backpack System incorporates an integrated air supply (air cylinder) secured to a stainless steel backpack. A continuous flow of air is supplied to each helmet, without air lines to the surface.

The Backpack System is utilized in SeaTREK operations where the environment does not allow for air lines to run unobstructed to the surface. In most cases this in an aquarium environment where there may be overhangs or coral structures that limit air line movement.

When guests descend the vertical entry ladder, the surface attendant first fits the backpack onto the guests’ shoulders, with the air cylinder resting in the cradle. The SeaTREK helmet is then set onto the guests’ shoulders, and the air line is connected from the air cylinder to the helmet.

SeaTREK POD System

The SeaTREK POD System utilizes a float, called a “POD” that securely supports two air cylinders at the surface. 20 ft air lines connect to the air cylinders on the POD, and then to the helmets, providing air to guests below the surface. Each POD can provide air for a maximum of two participants.

The SeaTREK POD System is used mostly in smaller, low volume operations.