Texas Scuba Academy
SDI Underwater Navigation
Open Water certifiedSDI Certified

SDI Underwater Navigation

Find your way back to the boat, the exit point, or that one great spot — every single dive.

$249.95Enrollment Open
Students:
1
Max 10
Have questions? Call (512) 489-4404
🌍 Dive anywhere
♾️ Lifetime cert
🗓 Private & flexible
📍 Local dive sites

SKU: TSA-SDI-SDI-UN

What's included

✓SDI eLearning and course materials
✓Personal instruction from a certified SDI Instructor
✓All required training equipment provided
✓Lifetime SDI certification, recognized worldwide
✓Flexible scheduling — we handle the pool location and gear

Who it's for

This course builds on prior certification and experience — here's what you'll need before you start.

✓
SDI Open Water Scuba Diver, SDI Junior Open Water Diver, or equivalentBase certification required
✓
Minimum age 1810 years old with parental consent

What you'll learn

Knowledge Development

✓The aquatic environment: vision, light, sound, tides, currents, waves, and surge
✓Natural navigation: bottom contours, depth, amount of light, surge, currents, and underwater objects
✓Compass types (analog and digital) and their features
✓Compass use, estimating distance underwater, kick cycles, and time

Practical Training

✓Equipment set up, dive planning, and predive checks
✓Orientation and navigation skills, generally practiced first on the surface from shore
✓Practicing compass use on the surface: out-and-back plus square and triangle patterns
✓Performing a square pattern on the bottom
✓Performing a triangle pattern on the bottom
✓Maintaining buddy contact, equipment disassembly, and logging all dives

Frequently asked questions

Many modern dive computers have a digital compass built in — that qualifies. A dedicated analog wrist compass also works well. We'll cover the differences in class and can advise on what to use or purchase before your dives.

Simple process

How it works

01
💻

eLearning at home

Complete the academic portion online at your own pace — videos, quizzes, no classroom required.

02
🏊

Pool training — we handle everything

We book the pool, bring all the gear, and schedule around your availability.

03
🌊

Open water checkout dives

Finish your certification at a local dive site. Real diving, real skills.

Ready?

Ready for what's next?

Keep building your skills. Advanced Adventure Diver is a popular next step — we reach out within 24 hours to schedule.

Explore Advanced Adventure Diver →Call (512) 489-4404