The cruises compared here
The archipelago is the thing Stockholm has that other capitals do not, which is why this is the most booked boat trip in the catalogue: 451 reviews, against 119 for the next sightseeing boat. Its score is 7.8, decent and no more than that.
Whether it is worth your money depends on what you picture when you read the word archipelago. Here is what the two-hour version delivers according to the listing and the operator.
1What two hours gets you
The boat leaves from Skeppsbron, the quay below the Royal Palace in Gamla Stan. The first part is a city tour: the palace, Djurgården with Gröna Lund and Skansen, the shore of Södermalm, and a glimpse of Riddarholmen according to the listing. Then it heads out to Fjäderholmarna, four small islands that are part of the Royal National City Park. Red Sightseeing, which sells a matching tour from the same quay, also names Tegelön.
A guide talks in English throughout, about the palace, the royal family and local customs. There is a bar on board, with drinks at your own cost. After two hours you are back where you started.
2How far out it really goes
The listing puts the archipelago at more than 24,000 islands. This trip shows you the first handful. Fjäderholmarna is the nearest group to the city, and the pizza cruise from the same quay describes it as the entrance to the archipelago.
So think of it as a sample. You get open water, wooded shores and wooden houses, and you get them with someone explaining what you see. You do not get a remote island or time ashore. If landing on an island is the point, the catalogue also has a ferry to Grinda, a longer outing with only a few reviews so far.
3What it costs next to the alternatives
From €35 it is the dearest of the five boats we compared, by 90 cents. The bridges trip from €34.10 is slightly longer and stays inside the city. The Royal Canal ride from €18 covers the Djurgården stretch that also opens the archipelago ride, in half the time and at about half the price.
The odd one out is the pizza cruise from €29.50. It lasts two hours, rounds Fjäderholmarna and includes a pizza, for less than the guided ride. What you give up is the guide, and children under 10 are not allowed.
4Small print to check
You can cancel free up to 24 hours before, which matters on a trip that depends on the weather. The listing asks you to arrive at least 20 minutes early at the Strand Rederi AB agency, Skeppsbrokajen Kajplats 104, and to dress for the conditions.
The boat is not wheelchair accessible, according to both the listing and the operator. The operator also says dogs are not allowed indoors. Commentary is in English only.
5Who should book it and who should not
Book it if you like being on the water for its own sake, if you want a human guide instead of headphones, or if this is your only chance to see where the city ends and the islands begin.
Leave it if your time is short, if you are travelling with someone who needs step-free boarding, or if you do not follow spoken English well enough to get value from the guide. In those cases the Royal Canal ride gives you an hour on the water for from €18.