Bremen has both bus and walking tours of its historic sites. Bus tours, conducted in both German and English, depart from the Hauptbahnhof Tuesday to Sunday at 10:30am. They cost 17€ ($21) for adults and 11€ ($14) for children under 12. Walking tours depart every day at 2pm, last 2 hours, and cost 6.50€ ($8.45). From April 14 to October 6, there is an additional walking tour conducted on Saturday at 11am. The combination of a morning bus tour with an afternoon walking tour offers a broadly comprehensive overview of Bremen. Tickets should be reserved in advance, then picked up at the tourist office.
The city also sponsors boat trips around the harbor. They depart from the jetty in front of the Martinikirche every day March to October. You can reach the jetty from Marktplatz by walking southwest along Böttcherstrasse for about 3 minutes. Tours depart at 11:45am, 1:30, and 3:15pm. The cost is 20€ ($26) for adults and 15€ ($20) for children under 14. For more information, call the tourist office or Hal Över (tel. 0421/338989).