Here is our 2023 Specialty Course schedule. Most courses have classroom and quarry dives with the course and all have some self-study. To sign up, please call the store at 513793-4747 or email at info@2dive4.com
| Course | Classroom | Pool | Quarry |
| Emergency O2 Provider | January 17 | ||
| Enriched Air Diver | February 22 | ||
| Buoyancy Workshop | March 8 | March 8 | |
| Digital Underwater Photo | April 12 | April 12 | |
| Drysuit Diver | May 18 | May 18 | May 21 |
| Self Reliant Diver | June 8 | June 8 | June 10 |
| Enriched Air Diver | June 14 | ||
| AWARE – Fish ID | July 10 | July 16 | |
| Underwater Navigator | July 12 | July 15 | |
| Night Diver | August 18 | ||
| Full Face Mask Diver | August 21 | August 21 | August 26 |
| Peak Performance Buoyancy | August 23 | August 23 | August 27 |
| Search & Recovery Diver | September 7 | September 16 & 17 | |
| Deep Diver | September 18 | Sept 30 & Oct 1 | |
| Enriched Air Diver | September 25 | ||
| Adaptive Support Diver | September 21 | September 21 | October 1 |
| Sidemount Diver | October 12 | October 12 | October 15 |
| Buoyancy Workshop | November 7 | ||
| Equipment Specialist | November 13 | ||
| AWARE – Coral | November 16 |