These are the principal streets: Зелёная Улица, Школьная Улица, Калининградское Шоссе, Советская Улица, Прохладная Улица.
In term of bus you can find 2 places (like "Автобус №107 Автовокзал Калининград - Вокзал Балтийск").
Are you looking for an apartment for sale/rent? Or interested by a house? You can check that on Циан.
Closest cities