| Station name | Holding centre | Parameters |
| Alboran | Puertos del Estado. Physical Environment Department | |
| Arkona | Federal Maritime and Hydrographic Agency | |
| Athos | Hellenic Centre for Marine Research, Hellenic National Oceanographic Data Centre (HCMR/HNODC) | |
| Bilbao | Puertos del Estado. Physical Environment Department | |
| Cabo de Gata | Puertos del Estado. Physical Environment Department | |
| Cabo de Palos | Puertos del Estado. Physical Environment Department | |
| Cabo de Penas | Puertos del Estado. Physical Environment Department | |
| Cabo Silleiro | Puertos del Estado. Physical Environment Department | |
| Cadiz | Puertos del Estado. Physical Environment Department | |
| Darss Sill | Federal Maritime and Hydrographic Agency | |
| Drogden | Royal Danish Administration of Navigation & Hydrography, Oceanographic Department | |
| E1M3A (Cretan Sea) | Hellenic Centre for Marine Research, Hellenic National Oceanographic Data Centre (HCMR/HNODC) | |
| Estaca de Bares | Puertos del Estado. Physical Environment Department | |
| Fino1 | Federal Maritime and Hydrographic Agency | |
| Gran Canaria | Puertos del Estado. Physical Environment Department | |
| Huvudskär | Swedish Meteorological and Hydrological Institute, SMHI | |
| IJgeul_stroompaal | Rijkswaterstaat Waterdienst | |
| Kalamata | Hellenic Centre for Marine Research, Hellenic National Oceanographic Data Centre (HCMR/HNODC) | |
| Läsö | Swedish Meteorological and Hydrological Institute, SMHI | |
| Lesvos | Hellenic Centre for Marine Research, Hellenic National Oceanographic Data Centre (HCMR/HNODC) | |
| Mykonos | Hellenic Centre for Marine Research, Hellenic National Oceanographic Data Centre (HCMR/HNODC) | |
| Oderbank | Federal Maritime and Hydrographic Agency | |
| Pylos | Hellenic Centre for Marine Research, Hellenic National Oceanographic Data Centre (HCMR/HNODC) | |
| Santander-AGL (IEO) | Spanish Oceanographic Institute | |
| Santorini | Hellenic Centre for Marine Research, Hellenic National Oceanographic Data Centre (HCMR/HNODC) | |
| Saronikos | Hellenic Centre for Marine Research, Hellenic National Oceanographic Data Centre (HCMR/HNODC) | |
| Skyros | Hellenic Centre for Marine Research, Hellenic National Oceanographic Data Centre (HCMR/HNODC) | |
| Store Bält N | Royal Danish Administration of Navigation & Hydrography, Oceanographic Department | |
| Store Bält S | Royal Danish Administration of Navigation & Hydrography, Oceanographic Department | |
| Tarragona | Puertos del Estado. Physical Environment Department | |
| Tenerife | Puertos del Estado. Physical Environment Department | |
| Valencia | Puertos del Estado. Physical Environment Department | |
| Vida | National Institute of Biology - NIBMarine Biology Station | |
| Villano-Sisargas | Puertos del Estado. Physical Environment Department | |
| Zakynthos | Hellenic Centre for Marine Research, Hellenic National Oceanographic Data Centre (HCMR/HNODC) | |