Insider info from Julia Solntseva, a local expert and a publisher of a variety of travel guides: Call 8 911 344 2772 or 8 921 281 7152 about guesthouses in Kuzomen, Chavanga, Pyalitsa, or Strelna. Or write to strelna.fish@mail.ru, Svetlana.
Here is a map clearly showing these somewhat obscure locations: