Scuba Diving in Alonissos

Nestled in the heart of the Northern Sporades, Alonissos is a jewel of the Aegean Sea, renowned for its crystal-clear waters and unspoiled marine landscapes. Scuba diving in Alonissos offers a rare opportunity to explore the vibrant underwater world of the National Marine Park of Alonissos and Northern Sporades, the largest marine protected area in Europe. The island’s coastline, fringed by pine forests and olive groves, gives way to secluded coves and dramatic cliffs, setting a tranquil backdrop for underwater adventure. Here, the interplay of sunlight on turquoise water, the gentle sway of sea grass, and the distant call of gulls create an atmosphere that is both serene and invigorating, making Alonissos a premier destination for diving enthusiasts and nature lovers alike.

Descending beneath the surface, divers are greeted by a kaleidoscope of marine life and geological formations. The seabed around Alonissos is a mosaic of rocky reefs, submerged caves, and ancient amphorae, remnants of the island’s rich maritime history. Typical scuba diving excursions might include exploring the famed Peristera shipwreck, a well-preserved Classical-era merchant vessel, or drifting along the colourful walls of Agios Petros. Water temperatures range from a refreshing 18°C in spring to a balmy 26°C in late summer, while visibility often exceeds 30 metres, revealing schools of barracuda, groupers, and even the occasional monk seal. The rhythm of each dive alternates between moments of quiet awe and bursts of discovery, as shafts of light illuminate hidden crevices and the gentle currents carry divers through a tapestry of textures and colours.

Local guides in Alonissos are passionate ambassadors of the island’s underwater heritage. All instructors are fully certified, with deep knowledge of the marine park’s ecology and history, ensuring that each dive is both safe and enriching. High-quality equipment is provided, regularly maintained to meet international safety standards. Briefings are thorough, covering site conditions, emergency procedures, and environmental respect. Whether you are a first-time diver or an experienced explorer, the welcoming outdoor culture of Alonissos is evident in the professionalism and warmth of its guides, who are committed to sharing the island’s secrets while prioritising your safety and comfort.

Scuba diving in Alonissos is accessible to a wide range of participants, from beginners eager for their first underwater experience to advanced divers seeking technical challenges. Many sites are suitable for novices, though a reasonable level of physical fitness is recommended to ensure comfort and safety. The prime diving season extends from late May to early October, when the sea is calm and the weather is reliably warm. Families, solo travellers, and groups will all find tailored experiences, with options for certification courses, guided fun dives, and even night dives for those seeking a different perspective on the marine world.

Alonissos invites you to immerse yourself in a world where ancient history and natural beauty converge beneath the waves. Discover the unique sensation of weightlessness, the vibrant marine life, and the quiet magic of the Aegean with a scuba diving adventure booked through Manawa, and let the spirit of this remarkable island transform your next journey.