| Diving Centre: |
| Location: Northern Istria |
| Subaquatic, Umag-Umago |
| |
| Location: Poreč Region |
| Zeus Faber, Tar-Torre |
| Diving centre Poreč, Poreč-Parenzo |
| Blue Lagoon, Poreč-Parenzo |
| |
| Location: Rovinj Region |
| Rovinj-Sub, Rovinj-Rovigno |
| Morski puz Diving Rovinj, Rovinj-Rovigno |
| Starfish, Vrsar-Orsera |
| Triton Diving, Vrsar-Orsera |
| The old diver, Bale-Valle |
| |
| Location: Southern Istria |
| Hippocampus, Pula-Pola |
| Diving centre Puntižela, Pula-Pola |
| Diving Pula, Pula-Pola |
| Orca, Pula-Pola |
| Meduza, Pula-Pola |
| Morska škola Valsaline, Pula-Pola |
| Shark, Medulin |
| Indie, Banjole (Medulin) |
| Scuba Libre, Premantura (Medulin) |
| Caretta, Fažana-Fasana |
| Bura Bora, Ližnjan |
| Krnicadive, Krnica (Marčana) |
| |
| Location: Eastern Istria |
| Sv. Marina C.B., Labin |
| MZ Diving Centre, Labin |
| Girandella Diving, Labin |
