Cueva del Agua (Isla Plana)
Cave diving in Alicante and Murcia · about 9 km from Mazarrón
- Max depth
- 34 m
- Type
- Sidemount
- Certification (estimate)
- Full cave
- DPV
- Not DPV-suitable
Active hydrothermal (hypogenic) cave: 29–31 °C below ~6 m, surface layer 19–21 °C. Maze of parallel passages with very fine silt (locally >2 m thick) and fragile mud stalactites; visibility can drop to zero fast.
More about Cueva del Agua (Isla Plana)
Signed-in divers also see:
- Whether this site fits everyone's certification, gas and gear
- Access, parking and the route from the road
- Exact map pin and navigation
- Depth profile and sumps
- Configuration advice
- Warnings with sources (4)
- DPV suitability
- Driving times from your stay and a plan with the AI instructor
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Current conditions
Visibility, flow and water levels change quickly. Right before your dive, check what other divers report:
- Spain Cave Conditions ↗
Cave divers share current conditions in Spanish caves here.
- Grupo Cueva del Agua LIMITE10000 ↗
Exploration group of the Cueva del Agua; publishes surveys and annual reports.
- Cuevas hipogénicas de Murcia (CENM) ↗
Catastro and articles on the thermal caves around Isla Plana (Cueva del Agua, Sima Destapada).
- Catálogo de Cavidades de la Provincia de Alicante ↗
Cave catalogue of Alicante province with records, incl. the Moraig and the Llop Marí on Tabarca.
Plan a cave diving trip to Alicante and Murcia
Enter your team, with certifications, gas and configurations, and see right away which caves fit. With driving times from your stay, fill stations and an AI instructor who thinks along.
Certification requirements, configurations and trimix depths are estimates for planning. Always check them locally and dive within your training. Compiled from web research (Alicante province cave catalogue, CENM catastro and Grupo Cueva del Agua in Murcia, Benitatxell town hall, Región de Murcia tourism, MAPA/BOE, caving clubs, dive centres and news; Sept 2026). Pins from caving catalogues (converted from ED50) and OpenStreetMap; ~ = estimate. Rules change – check locally.