production. Tickets are 40 SEK and can be bought from the Tourist Information Office by the cruise ship pier. During the summer months, the harbour is packed with boats of all sizes, and bustles with both visitors and locals. There are a number of eateries and boutiques with locally made produce. Place in Södermanland, Sweden, nynäshamn is a locality and the seat of, nynäshamn Municipality, Stockholm County, Sweden with 13,510 inhabitants in 2010. Opening Hours and Holidays: Most shops, at least downtown, are open all week, even on Sundays. Panoramic view from Nynäshamn harbour, March 2011. The latter still remains though under different ownership and under the name.