It is good for walking in any weather. Quietly calmly. There are interesting museums and architectural monuments.
It is easy to get there by a regular ferry, which is a type of urban transport. There is a cafe, a regular shop and a souvenir shop.
Beautiful views of the archipelago and the sea, it is very interesting to watch how a sea ferry squeezes through the straits.
This is a landmark place for Helsinki, a must-visit. If you are lucky with windless weather, you can spend the whole day with interest. Climb the ramparts with cannons of the Perm factory, visit a submarine, museums and just enjoy the silence and fresh sea air. All necessary infrastructure is available.
Free entrance, ferry fee only, the price of public transport. A very nice quiet place, there is a grocery store. You can spend the whole day in good weather