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Best overall window: April - June and September - October
Open Season Planner
Country Guide
Two seas, two island chains, one almost year-round dive playground
Updated Dec 7, 2025 • 12 sources
Overview
Spain is a flexible water base: the Mediterranean mainland for rocky reefs and Posidonia seagrass, the Balearic Islands for clear walls and caves, the Atlantic Strait of Gibraltar for wrecks and current, and the Canary Islands for volcanic profiles that work even in winter. Summer on the Med and Balearics often means water around 23°C to 27°C, while the Canaries hover near 18°C to 24°C most of the year. Visibility commonly ranges from 10 m to 30 m on calm days, especially in reserves where anchoring and fishing are restricted.
Use the Canary Islands for winter and shoulder-season trips, and aim the Balearics and Mediterranean mainland at late spring to early autumn.
Spain's national parks, state marine reserves, and regional protected areas give you many sites with higher biomass and clear rules.
You can combine lava reefs and Atlantic species in the Canary Islands with classic Mediterranean cliffs, caves, and seagrass.
Reliable airports, ferries, and trains make it easy to build itineraries that link cities, islands, and quieter coves.
Top species linked to approved dive spots across Spain.
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Destination cards are being added for this country.
Best overall window: April - June and September - October
Open Season PlannerEntry, transport, and gear planning are split in the dedicated logistics section.
Open LogisticsSafety and conservation guidance is organized by activity and risk.
Open SafetyDiveJourney country guides are living documents built from local knowledge, operator experience, and publicly available sources. Conditions, regulations, and logistics can change. Each guide shows its last update date and sources used.
Last updated: December 7, 2025 • 12 sources
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