Glavat Lighthouse

Glavat Lighthouse sits on a tiny islet just off the southern edge of Lastovo, deep within a Croatian archipelago known for its nature park status and unusually clear water. It ranks among the most recognizable navigational landmarks on this stretch of the Adriatic — a solitary tower rising from bare rock, surrounded on every side by open sea.

Where exactly is the lighthouse located?

The islet of Glavat lies south of the main island of Lastovo, within the municipality of Općina Lastovo. It's a genuinely remote spot, reachable only by boat — sailboat, motor cruiser, or a charter from one of the nearby harbors. The lighthouse sits at roughly 42.77°N, 17.15°E, right along the shipping route connecting Lastovo with Korčula and Mljet.

When was it built and what does it look like?

The lighthouse dates back to 1884, built under the Austro-Hungarian Empire during a period when the monarchy was actively expanding its network of navigational lights along the eastern Adriatic coast. The tower itself stands 19 meters tall, with the light mounted at a focal height of 45 meters above sea level, giving it a nominal range of 22 nautical miles. The building is notably large for a Croatian lighthouse — around 220 square meters of floor space, including a spacious 60-square-meter attic once used by the keepers who lived and worked there.

Why are the waters around Glavat considered dangerous?

The seabed around the islet is scattered with submerged rocks and reefs, forcing sailors to navigate the area with real caution. That hazard is exactly why the lighthouse matters so much: without its beam, crossing this part of the Lastovo archipelago at night or in rough weather would carry considerably more risk.

What legend is tied to the island of Glavat?

The islet carries its own story rooted in Greek mythology. According to local legend, Poseidon once sent a messenger to settle a dispute over which nearby island — Korčula, Mljet, or Lastovo — deserved to be called the most beautiful. Unable to decide, the messenger was turned to stone as punishment for his indecision, and that stone became the islet of Glavat. Locals still refer to it as a monument to indecision.

Can visitors tour the lighthouse?

Glavat Lighthouse remains an active navigational aid, and its interior isn't set up as a guided tourist attraction. Even so, the islet and its tower are a favorite subject for photos among sailors and passengers on cruises along the Lastovo coastline — the sight of the lone tower against open water has become one of the region's visual symbols. The best way to see it up close is from a boat or yacht passing between Lastovo, Korčula, and Mljet.

What else is worth seeing nearby?

Lastovo itself is an island and nature park prized for its clean water, light tourist traffic, and largely undeveloped landscape. A trip past Glavat pairs naturally with exploring the archipelago's other islets and the historic town of Lastovo, recognizable for its distinctive rooftop chimneys. It's a rewarding stop for sailors looking to get away from the busier Adriatic routes.

Frequently asked questions

Where is Glavat Lighthouse located? On a small islet just south of Lastovo, part of the archipelago surrounding this Croatian island and nature park.

When was Glavat Lighthouse built? In 1884, during the Austro-Hungarian era of lighthouse construction along the eastern Adriatic coast.

How tall is the lighthouse, and how far can its light be seen? The tower is 19 meters tall, the light sits at a focal height of 45 meters above sea level, and it's visible from up to 22 nautical miles away.

What legend is associated with the islet of Glavat? Greek mythology tells of a messenger sent by Poseidon who couldn't decide which island — Korčula, Mljet, or Lastovo — was the most beautiful, and was turned to stone as punishment; that stone became Glavat.