| Men (mixed) registered | Women registered | ||||
| UWRC Wien | AT | Amager Uv-Rugby | DK | ||
| Brisbane Gauls UWR | AU | UWRC Wien f | AT | ||
| Barcelona Rugby Subaquatic | ES | Barcelona Rugby Subaquatic | ES | ||
| TJ CZU TRITON | CZ | TC Stuttgart | DE | ||
| EGE Üniversitesi | TR | Helvetia | CH | ||
| Ålesund SDK | NO | ||||
| Pre-registered teams | |||||
| DUC Krefeld | DE | NJ Hammerheads (f) | US | ||
| Flipper | DK | BSI Boblen | NO | ||
| NJ Hammerheads (m) | US | Isbjörnarna | SE | ||
| HäSu | FI | Victoria Dragonettes | AU | ||
| Firenze | IT | ||||
| SDK Malmö-Triton | SE | ||||
| UWR Tiszavirág | HU | update: 26.7.2024 | |||