Suomenlinna Fortress Tours

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Spread over six islands in the Helsinki archipelago, Suomenlinna Fortress is a UNESCO World Heritage Site and popular destination for picnicking and leisure activities. The fortress is an important historic site with multiple on-site museums, as well as a living community with roughly 900 permanent residents. 

The Basics
The sea fortress has 3.7 miles (6 kilometers) of walls, 290 buildings, and more than 100 guns and cannons. Main sights include the dry dock, the King's Gate, and the fortress' six museums: the Suomenlinna Museum, Customs Museum, Toy Museum, Ehrensvärd Museum, submarine Vesikko, and the Military Museum’s Manege.

A top Helsinki attraction, Suomenlinna fortress is featured on most city tours. Walking tours of the sea fortress are available from downtown, and a Helsinki Card includes free entrance to the onsite museums. Boat and canal excursions are also a popular way to access the fortress. 

Things to Know Before You Go
  • Bring a picnic or enjoy a meal at one of Suomenlinna’s 11 onsite restaurants.
  • Access to the island is free of charge, but each museum has its own entrance fee.
  • Most roads on the islands are cobblestone, which can make it difficult to maneuver a wheelchair or stroller. 
  • Dogs are allowed on the island but must be kept on-leash, away from beaches and playgrounds.

How to Get There
The Helsinki Card includes access to all ferries. HSL ferries depart every 20 minutes from the passenger quay at Helsinki’s Market Square (Kauppatori), while the JT-Line water bus runs during summer and stops at the Visitor Centre pier and King’s Gate.

When to Get There
The Suomenlinna Museum and some shops and restaurants are open year-round, but many attractions are only open from May to September. Summer is the most popular time to visit, when Helsinki’s weather is typically pleasant. 

Suomenlinna History
Suomenlinna was founded by the Swedes in 1748 to protect against the Russians, but following a prolonged 1808 attack it was surrendered to the Russians, who then used it to protect shipping channels to St. Petersburg. After the Russian Revolution, Finland declared independence and took back Suomenlinna, using it for the military until 1973 when it passed over to the citizens of Finland.
Location
Address: Helsinki, Finland
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Admission: Free. Attractions in the area may have admission fees
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8 Tours & Activities to Experience

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Private Half-Day Tour of Helsinki and the Suomenlinna Sea Fortress

Enjoy the personalized attention of your dedicated guide during this 4-hour private tour of downtown Helsinki and the Suomenlinna Sea Fortress. Get an overview of the Finnish capital's most important landmarks, then visit the UNESCO World Heritage Sea Fortress. Pickup and drop-off at any Helsinki location included.
  • Duration: 4 hours
From
$760.96 USD
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  • Duration: 4 hours
From
$760.96 USD

Helsinki Shore Excursion: Private Half-Day City and Suomenlinna Sea Fortress Tour

Make the most of your time in Finland with a 4-hour, private Helsinki shore excursion from your cruise port. Get a personal overview and orientation of the vibrant city’s historic center and cultural landmarks, with time to explore public squares, monuments and an iconic rock church. Board a small boat to the stunning Suomenlinna Sea Fortress, where you can walk high stone walls above crashing waves and jagged rocks.
  • Duration: 4 hours
From
$925.68 USD
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  • Duration: 4 hours
From
$925.68 USD

Private Guided Tour of Suomenlinna Sea Fortress

Unearth the history and legends of Suomenlinna Sea Fortress, a UNESCO World Heritage Site, on this 2-hour private tour in Helsinki. With your dedicated guide, take in the main sights of the fortress, one of the largest sea fortresses in the world, spanning 6 islands. Take advantage of personalized attention and a flexible itinerary on this private tour.
  • Duration: 2 hours
From
$450.08 USD
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  • Duration: 2 hours
From
$450.08 USD

Helsinki Sightseeing Canal Cruise

Admire Helsinki and her islands from the water on a relaxing 1.5-hour sightseeing cruise. Hop aboard a comfortable sightseeing boat, settle on deck or inside the cozy cabin, and absorb the key sights of Helsinki’s shorelines and surrounding archipelagos of beautiful islands. Cruise by top Helsinki attractions such as the mighty UNESCO-listed Suomenlinna Maritime Fortress; see Finland’s fleet of gigantic icebreaker ships; sail into the scenic Degerö Canal, and hear all about Helsinki’s eventful past from the informative onboard commentary. Free WiFi is available on-board for your comfort.
  • Duration: 1 hour 30 minutes
From
$29.00 USD
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  • Duration: 1 hour 30 minutes
From
$29.00 USD

Helsinki Card

Explore Helsinki at your own pace and save money as you sightsee with the great-value Helsinki Card or Helsinki Card Region. Buy a 24-, 48- or 72-hour card and simply show your card to enjoy free public transport around the city (and in whole metropolitan area with Helsinki Card Region), plus complimentary admission to many of top Helsinki museums and attractions, including the stellar Ateneum art gallery, and Suomenlinna Fortress. Add a free audio city tour, a complimentary guidebook and map, plus valuable savings on tours, meals and other experiences, and it’s an excellent way to make the most of Helsinki.
  • Duration: 1 day
From
$55.68 USD
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  • Duration: 1 day
From
$55.68 USD

SPECIAL OFFER

Helsinki Sightseeing Bus Tour and Canal Cruise

Admire Helsinki from land and water on a 3-hour bus and boat experience that combines two popular tours for a discounted price. Board a double-decker bus for a panoramic city tour, seeing sights including the Rock Church and Sibelius Monument, and discovering their stories via audio commentary. Then, ride a sightseeing boat along Helsinki’s shorelines, sailing by the UNESCO-listed Suomenlinna Maritime Fortress and along the Degerö Canal. Wi-Fi is available on the bus and boat.
  • Duration: 3 hours
From
$52.20 USD
$66.09 USD  $13.89 USD savings
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  • Duration: 3 hours
From
$52.20 USD
$66.09 USD  $13.89 USD savings

City Sightseeing Helsinki Hop On Hop Off Tour

Explore Helsinki with a hop-on hop-off City Sightseeing tour, and travel around the city by open-top, double-decker bus. Stopping at 14 locations around the capital, the bus tour allows you to sightsee at your own pace, hopping on and off whenever you like. Learn about the underground Temppeliaukio Church and other landmarks from an audio guide, and perhaps hop off to visit the bustling food stalls of Market Square. Your tour ticket is valid for 24 hours after first use.
  • Duration: 24 to 48 hrs
From
$34.80 USD
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  • Duration: 24 to 48 hrs
From
$34.80 USD

SPECIAL OFFER

Helsinki 48-Hour Hop-On Hop-Off Bus Tour and Canal Cruise

See Helsinki’s highlights from land and sea on this Helsinki combo that pairs up two popular tours for a discounted price. Enjoy a hop-on hop-off bus tour to check out must-sees like the Sibelius Monument and Rock Church, complete with onboard audio commentary, Wi-Fi, and a 48-hour ticket. Plus, take a scenic 1.5-hour cruise around Helsinki’s shores and archipelago, sailing along the Degerö Canal and past landmarks including the UNESCO-listed Suomenlinna Maritime Fortress.
  • Duration: 3 hours
From
$67.28 USD
$77.72 USD  $10.44 USD savings
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  • Duration: 3 hours
From
$67.28 USD
$77.72 USD  $10.44 USD savings


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