If you want to use public transport, just get to the tram number 1 or 4, buy a ticket for 18 Kč in the ticket machine and go in the direction of Lochotín. Leave the tram at station Pod Záhorskem and use this map.
If you want to use public transport, get on the tram number 2 in the direction of Náměstí republiky and use this map.
Accommodation
Floorsurfing = free, on the floor, sleeping bag necessary (circa 45 places)
Couchsurfing = free, on some couch (few places) sorry, allready occupied
Hotel = in Hotel Roudná for 250 CZK per person, double-bedded rooms. Reservations through PP-CZ or individually on the hotel web page. If ordering individually, mention you are coming for the Pirate event to get better price.