Start Your SDI / TDI Online Learning
Where Your Online Learning Lives
When you enroll in an SDI, TDI, or First Response course through Scuba Adventures, your online academics are hosted directly by our training agency.
Scuba Adventures handles:
- Course registration
- In-water instruction
- Pool and open-water training
SDI/TDI provides:
- The official online learning
- Knowledge reviews and exams
- Your academic completion record
Getting Started (Step-by-Step)
Start or Continue Your Online Learning
Visit the SDI/TDI eLearning Portal
Go to: www.tdisdi.com/elearningLog in or Create an Account
Use your existing SDI/TDI login, or create a free account if this is your first course.Redeem Your eLearning Code
Enter the eLearning code provided in your Scuba Adventures registration text or course paperwork.Access “My eLearning”
Once logged in, select My eLearning to open your course and continue where you left off.Complete the Online Academics
Work through the chapters and exams at your own pace before your scheduled in-water sessions.
After You Finish Your Online Learning
What Happens Next
Once you complete your SDI/TDI online learning:
Your completion is recorded in the SDI/TDI system
Your instructor can verify your academic progress
You’ll be ready to move confidently into pool and open-water training
Help & Support
Need a Hand?
If you’re missing your eLearning code, unsure which course to select, or just want confirmation you’re on track:
📞 Call us at 972-423-3483
