Lonna Sauna, Espoo Travel Guide

4.4 (122)

Escape to Lonna Island for an authentic Finnish sauna experience with stunning sea views, just a short ferry ride from Helsinki's Market Square.

Lonna Sauna, located on the small island of Lonna near Helsinki, offers a unique blend of traditional Finnish sauna culture and contemporary design. Once a military outpost, the island now provides a tranquil escape with stunning sea views and a modern sauna experience.

A brief summary to Lonna Sauna

Lonnan saari, Helsinki, 00190, FI
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From Eve

Know before you go

Hi, I'm Eve. Here are a few practical things to know before exploring Lonna Sauna.

Book your sauna session in advance, especially during peak season, to ensure availability.
Combine your sauna visit with a meal at the Lonna restaurant to enjoy fresh, local Finnish cuisine.
Explore the island's history by taking a walk around the perimeter and observing the old military structures.
Bring a swimsuit and towel for the sauna, and be prepared to embrace the traditional Finnish sauna culture.
Check the ferry schedule in advance to plan your trip, as services may be less frequent outside of the summer months.

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Explore Lonna Sauna on the Map

A handpicked selection of must-see spots near Lonna Sauna, mapped for you.

Getting There

Ferry

The primary way to reach Lonna Island is by ferry from Helsinki's Market Square (Kauppatori). FRS Finland operates a waterbus service to Lonna, with departures from the Keisarinluodonlaituri pier. The pier is located between the Suomenlinna HSL ferry and Korkeasaari ferry docks. The ferry journey takes approximately 10 minutes. A single ticket costs around €8. Check the FRS Finland website for the most up-to-date schedules.

Discover more about Lonna Sauna

Lonna Sauna is a public sauna located on the small island of Lonna, a short ferry ride from Helsinki's Market Square. The island itself has a rich history, having served as a military site, including a demagnetization station for ships during wartime. Today, Lonna offers a peaceful retreat where visitors can enjoy a traditional Finnish sauna experience with a modern twist.The sauna building was designed by architect Anssi Lassila and completed in 2016. It features a handcrafted wooden log structure and a sculptural zinc-plated roof, blending seamlessly with the island's historical military structures. Inside, wood-burning stoves heat the steam rooms, creating an authentic and relaxing atmosphere. Large windows offer panoramic views of the sea and the Helsinki skyline.Lonna Island is small, only about 150 meters long, making it easy to explore on foot. Besides the sauna, the island features a restaurant and café, perfect for enjoying a meal or refreshments while taking in the scenery. The island's rocky shores and grassy areas provide ample space for picnicking and relaxation. Lonna hosts various events during the summer months, including live music and cultural gatherings.