WELCOME TO THE ADVENTURES OF SEÑOR SCUBA
experience the power of tech diving
experience the power of tech diving
Henry Castellanos is a highly experienced technical diver whose journey into the underwater world began in 2015 at the world’s largest aquarium located in Dubai U.A.E. In 2022, Henry’s interest in advanced diving took a decisive turn during a dive on a WWII wreck in Honolulu, Hawaii. Today, He is certified on six different rebreather systems, Technical Trimix Instructor for DiveTalk Academy, IANTD & TDI and has conducted dives exceeding 400 feet in depth, uncovering some of the most remarkable underwater sites on Earth. Henry brings a unique level of discipline and precision to diving, drawn from his career as a full-time commercial pilot, instructor, and test pilot. With over two decades of teaching experience and ratings on 15 different aircraft, he currently serves as a B777BBJ and B737BBJ Captain.
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Tech Dive training
dive talk Go and Scubatron GBM CCR Training
We offer two distinct closed-circuit rebreather training programs so divers can choose the unit that best fits their goals.
The DiveTalk GO CCR course focuses on a compact, streamlined system ideal for divers seeking simplicity, efficiency, and travel-friendly design, with training centered on buoyancy mastery, loop control, system checks, and solid bailout procedures.
For those pursuing deeper, more demanding technical diving, the Scubatron GBM CCR program provides instruction on a robust, modular platform built for extended-range profiles, covering unit configuration, electronics management, advanced loop handling, and emergency readiness. Each course is taught independently, giving divers a clear pathway to master the specific CCR they choose.
coaching session
1 -on- 1 Coaching session
Custom Dive Plans based on your goals (e.g., wreck diving, cave, deep trimix)
Flexible Scheduling around your availability
Unit-Specific Training: Dive Talk GO or GBM Rebreather and Crossover Courses
In-depth Gear Configuration Support
Advanced Skill Development: gas management, failure drills, navigation, decompression planning