Inland Sea & Dwejra

The Inland Sea at Dwejra is one of the most atmospheric dive sites in the Mediterranean, a place where geology and light combine to create an experience that is part adventure, part visual poetry. On the western coast of Gozo, a sheltered lagoon of seawater occupies a collapsed limestone cave, creating a natural harbour roughly 60 metres in diameter that has been used by fishermen for centuries. Their brightly painted luzzus still bob on the calm water, and it is from this serene pool that one of Europe's most dramatic dives begins. The dive starts with a gentle descent from the lagoon's pebbly shore into water that is often just a few metres deep. Swimming toward the cliff face, the tunnel entrance becomes visible: a dark opening in the limestone that leads through 80 metres of cliff to the open sea. The tunnel varies in width from six metres at its widest to about one metre at its narrowest overhead restriction, though the depth never exceeds seven metres. Natural light is always visible from one end, creating a mesmerising play of blue light that grows stronger as you approach the open water exit. The moment of emergence from the tunnel is breathtaking. The confined space opens suddenly to reveal a vast underwater wall dropping vertically from the cliff base into deep blue water beyond 55 metres. The contrast between the dim, enclosed tunnel and the brilliant blue void is one of the most dramatic transitions in diving. Looking up, the cliff towers overhead; looking down, the wall disappears into darkness. The outer wall and surrounding reef offer extensive diving. Gorgonian sea fans, sponges, and tunicates cover the limestone surface, while groupers and moray eels occupy the many caves and crevices. Schools of barracuda patrol the blue water beyond the wall, and amberjack pass through in summer. The nearby cave systems, including the famous Coral Cave, offer overhead environment diving for those with appropriate training and certification. Visibility at Dwejra is typically superb, often exceeding 30 metres outside the tunnel, and the shelter provided by the inland lagoon makes this a remarkably accessible shore dive even in marginal weather. Water temperatures are identical to the rest of Malta, ranging from 15 to 27 degrees Celsius throughout the year. The combination of dramatic geology, exceptional visibility, year-round accessibility, and the sheer magic of swimming through a tunnel from a hidden lagoon to the open sea makes the Inland Sea one of the must-do dives in Europe.

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