Booking choice: The small-group Vaxholm day trip, with free cancellation up to 24 hours before. Book this Compare the options below
Swimming is part of a Swedish summer in the archipelago. Residents and holiday-home owners, about 50,000 of the latter across the islands, swim from rocks and jetties through the warm months, and visitors can too. The water surprises people who expect the sea: it is barely salty, there is no tide to speak of, and the granite shelves into it.
This guide answers the practical questions: what the water is like, where a visitor can swim, when, and how swimming fits with the boat trips on this site. The short version is that a cruise shows you the water and a landing lets you get into it.
The quick answer
Yes, you can swim in the Stockholm archipelago. The water is brackish Baltic, about six to seven grams of salt per kilogram in the outer parts against around thirty for the open ocean, so there is no salt sting and no real tide. Visitors swim from the rocks and jetties of Fjäderholmarna and the beach at Vaxholm among many places. Swimming is a summer activity. No sightseeing cruise on this site stops for a swim; the guided small-group day trip to Vaxholm includes time at the beach, and its listing tells you to bring beachwear.

Can you swim in the Stockholm archipelago?
Yes. The islands have bathing jetties, rock shores and beaches, and swimming is ordinary summer life there.
The archipelago is where Stockholm goes to swim. With about 10,000 permanent residences and around 50,000 holiday homes across the islands, bathing from the nearest rock or jetty is as normal as a walk. Most islands are car-free, explored on foot or by bicycle, and the shoreline is mostly open granite that shelves into the water.
For a visitor the question is less whether and more where and how. Fjäderholmarna, 25 minutes from the city, and Vaxholm, about an hour, are the easy answers. The guided day trip to Vaxholm builds beach time into its schedule, and the public boats described in the best way to see the archipelago land at both.
Is the Baltic Sea salty at Stockholm?
Barely. The outer archipelago holds about six to seven grams of salt per kilogram of water; ocean seawater holds around thirty.
The Baltic is brackish, a sea fed by rivers and connected to the ocean through narrow straits, and the Stockholm archipelago sits on its western shore. In the outer parts the salinity is around six to seven grams of salt per kilogram of water, against roughly thirty grams for the open ocean, and the water is about neutral in pH.
In practice that means swimming that feels like a lake: no sting in the eyes, no salt crust drying on the skin, no appreciable tide, and clear enough to see the granite below you on a calm day. It also means you float a little less than in the sea.

Where can you swim near Stockholm in the archipelago?
Fjäderholmarna's rocks and jetties 25 minutes from the city, Vaxholm beach about an hour out, and the shores of the islands with scheduled boats.
Fjäderholmarna is the nearest archipelago island group, mentioned in records since 1381 and managed under the Royal Djurgården Administration. It is a 25-minute boat trip from Slussen or Nybroplan, with restaurants, craft workshops and the Allmogebåtar boat collection on the island, and granite shores to swim from. Vaxholm has a beach; the day trip listing names Vaxholm beach and notes swimming is possible there.
Beyond those, Grinda, Sandhamn, Möja, Nämdö, Utö, Finnhamn and Dalarö are reached by scheduled boat, Dalarö in about an hour and the others further out. Each has shoreline to swim from; which spot is best is a question for the island itself, since the listings and official pages this site relies on do not rank them.
Beach time at Vaxholm is written into the day trip's schedule, with the fortress museum and all boat fares included.
Book thisCan you swim anywhere in the archipelago?
Broadly, yes: Sweden's right of public access lets people swim from most natural shores, with the usual respect for homes, gardens and private jetties.
The Swedish right of public access, allemansrätten, is the general principle that lets people walk, swim and camp in nature as long as they do not disturb or destroy. In the archipelago that is why a granite shelf by the path is a swimming spot rather than a trespass. The courtesy side is equally general: keep clear of houses and their gardens, do not use a private jetty as if it were public, and leave the shore as you found it.
This guide states the principle in general terms rather than the detail, because the sources it draws on are the listings and the official tourism pages, which describe the islands rather than the law. On a guided day trip the guide points to the beach; on your own, the marked public bathing places are the simplest answer.

Can you swim from an archipelago cruise?
No. No sightseeing cruise on this site lands or stops for swimming. They are loops from a central quay and back.
The seven cruises on this site, from the 75-minute winter tour to the three-hour Strömma loop, leave a quay, circle the inner archipelago and return. The listings describe pass-bys of Fjäderholmarna, Stora Höggarn, Tegelön and Vaxholm; none describes a stop. The RIB tour goes furthest and fastest but does not land either, and its listing lists no swim.
So a swim and a cruise are two separate outings. If you want both in one day with a guide, the Vaxholm day trip is the product: it lands, includes beach time, and still gives an hour's steamship cruise each way. If you want a guided loop, book it for the view and swim on another day from a public boat. The cruise comparison covers the loops.
Which guided trip includes swimming?
The small-group Vaxholm day trip. Its schedule includes Vaxholm beach, and the listing asks you to bring beachwear.
The Vaxholm and Stockholm archipelago guided small-group day trip runs seven hours with up to 10 participants. It meets at 09:45 outside the National Museum, boards a steamship at 10:00 for an hour's cruise to Vaxholm, walks the town's streets past fishermen's cottages and craft shops, allows lunch or fika by the water at your own cost, and includes time at Vaxholm beach, where swimming is possible. A taxi boat then crosses to the 16th-century fortress, and the Vaxholm Fortress Museum entrance and tower climb are included before the 16:00 ferry back, arriving about 17:30.
The listing's packing list is the giveaway: beachwear, a public transport ticket, sunscreen and a jacket. It is not for wheelchair users, babies under one or people over 95, and it is offered in English, Spanish, Portuguese, German and French.

A steamship to Vaxholm, a town walk, time at the beach and the fortress museum in one guided day, limited to 10 people.
Book thisWhen is the swimming season in the Stockholm archipelago?
Summer. The archipelago sits at the latitude of long light in June and July and ice in February, so swimming belongs to the warm months.
The same water that visitors describe as frozen on the winter tour in February is where they swim in July. The listings and official pages do not publish water temperatures, so this guide gives none; the sensible reading is that the swimming season is the Swedish summer, when the public boats run their fullest schedules and the beach at Vaxholm is in use. The day trip's instruction to bring beachwear and sunscreen assumes that season.
Outside it, the archipelago still rewards a visit, but from the deck rather than the water. The Strömma winter boat tour runs 75 minutes from Strömkajen on an icebreaking boat with pelts and fleece blankets to borrow, which is the cold-weather version of the same shoreline. When to visit goes through the seasons.

What should you bring to swim in the archipelago?
Swimwear, a towel, sunscreen and a jacket for the boat, plus a public transport ticket if you are landing by public boat.
The Vaxholm day trip's own list is a good template: beachwear, a public transport ticket, sunscreen and a jacket. The jacket is for the deck, where the wind off the water is cooler than the town, and the Strömma listing's note about blankets for the outside deck makes the same point for the cruises. Water shoes help on granite, and a towel is easy to forget.
- Swimwear under your clothes saves finding somewhere to change on a rock shore.
- A towel and a dry layer for the boat home.
- Sunscreen: the light on open water is strong in summer.
- A card for Waxholmsbolaget tickets, which are bought on board, with no cash.
- Food for a picnic if you take the day trip; the listing recommends one and lunch is at your own cost.
Frequently asked questions
Is the water in the Stockholm archipelago clean enough to swim in?
Swimming is ordinary summer life in the archipelago, from jetties, rocks and beaches such as Vaxholm's. The sources this site uses do not publish water-quality figures, so none are given here.
Is the Baltic Sea cold at Stockholm?
Water temperatures are not published on the listings or official pages used here. Swimming is a summer activity; visitors describe the same water frozen on the February winter tour.
Can you swim at Fjäderholmarna?
Fjäderholmarna has granite shores and jetties, is 25 minutes from Slussen or Nybroplan, and is reached by Waxholmsbolaget, Strömma and Fjäderholmslinjen.
Does any cruise let you swim?
No. No sightseeing cruise on this site lands. The guided small-group day trip to Vaxholm includes beach time.
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Vaxholm & Stockholm Archipelago: Guided Small-Group Day Trip
The one listing here that lands. A steamship to Vaxholm, the fishermen's cottages and craft shops on foot, lunch or fika by the water, the beach, a taxi boat to the sixteenth-century fortress with the museum entrance included, and the ferry home by about half past five. Guided in English, Spanish, Portuguese, German or French.

2-Hour RIB Speed Boat Tour of the Archipelago
Two hours in a rigid inflatable with overalls, jackets and beanies supplied: Old Town, the Nacka shore, bare rock and forest, and Vaxholm Fortress on the way home



