Data as of: 2026-10-29, 00:48
Officially measured
bathing permitted
Most recent sample: 22 September 2026
Our calculation
Some concern today
Reason: waste water discharge 868 metres away, not authorised, slight contamination possible. Please observe any signage on site.
* Calculated from rain, live data on ocean currents and the zone own sample series. Updated hourly.
Playa de la Arena (Castillo San José) is situated in Arrecife on Lanzarote. Its seabed consists of gravel and fine golden sand, a combination not found at any other bathing area in the Canary Islands. The local council reports that the beach has wheelchair-accessible entry and a promenade. At around 115 metres in length, the beach is only about half as long as the average bathing area on Lanzarote.
Most recent official sample
| E. coli | 9 | Limit 500 |
|---|---|---|
| Intestinal enterococci | 2 | Limit 185 |
| Official verdict | bathing permitted (Zona Apta para el baño) | |
| Annual class | excellent (EXCELENTE) | |
The most recent sample was taken on 22 September 2026. For conditions today it is only an indication. This zone is sampled about every 15 days, and by that rhythm the next sample is due on 7 October 2026.

Water temperature at Playa de la Arena (Castillo San José), Lanzarote
The current water temperature at Playa de la Arena (Castillo San José) in Arrecife, Lanzarote, is 24 degrees Celsius.
Conditions today
| Rain over the past 48 hours | 0.1 millimetres |
|---|---|
| Current | 1.5 km/h |
| Wave height | 0.48 metres |
Waste water discharges nearby
| Waste water discharges nearby | Distance | Official verdict | Treatment | Condition of the pipe |
|---|---|---|---|---|
| EBAR Agramar | 868 Meter | not authorised | no data | no data |
| Vertidos de DISA | 1.0 Kilometer | not authorised | no data | no data |
| Aliviadero del E.S. Harinas del Mar | 1.1 Kilometer | not authorised | no data | no data |
| Emisario Submarino Harinas del Mar | 1.1 Kilometer | not authorised | no data | no data |
| Desaladoras Lanzarote III, IV y V | 1.3 Kilometer | authorised | no data | good |
| IPFP Marítimo Pesquero | 1.5 Kilometer | authorised | no data | good |
| Central Diesel Punta Grande 2 | 1.8 Kilometer | authorised | no data | good |
| Central Diesel Punta Grande 1 | 1.8 Kilometer | authorised | no data | good |
History
36 samples since 22 May 2023, none of them with a ban or warning.
This page exists because this beach is searched for frequently. The official data show nothing unusual here.
Official bathing water profile (PDF)
The map needs JavaScript. All readings are in the tables on this page as well.
Beaches nearby
All bathing zones on Lanzarote To the map of all Canary Islands
Waste water news from the Canary Islands
This page does not replace official bathing water monitoring or a warning issued by the municipality. The estimated part is our own calculation, not a measurement.
Sources: Gobierno de Canarias (Dirección General de Salud Pública; Censo de vertidos desde tierra al mar), Ministerio de Sanidad (NÁYADE), European Environment Agency (UWWTD), Ministerio para la Transición Ecológica, Open-Meteo.