Strömma offers sightseeing by bus and boat in Stockholm. Its boat trips include a guided tour around Djurgården, cruises under Stockholm’s bridges and trips into the archipelago; the Visit Stockholm listing also describes sightseeing by bus. The Stockholm website lists several boat options, with different durations and prices.

The boat tour around Djurgården takes one hour and starts at SEK 271 (about $27.1, or £21.3). A guided archipelago tour lasts 1.5 to three hours and starts at SEK 375 (about $37.5, or £29.6). The boat trip to Vaxholm takes 50 minutes to 1.5 hours, with fares from SEK 190 (about $19.0, or £15.0). A dinner cruise lasts three hours and starts at SEK 240 (about $24.0, or £18.9); a guided lunch cruise takes 2 hours 30 minutes and starts at SEK 555 (about $55.5, or £43.7).

For a meal-focused trip, the brunch cruise lasts three hours, runs every Saturday and Sunday year-round, and starts at SEK 645 (about $64.5, or £50.8). The site lists these as starting prices. Check the individual trip details for the option you want before setting out.