City of Hakodate

http://www.city.hakodate.hokkaido.jp

Fisheries and Oceans Hakodate

http://www.marine-hakodate.jp/

Hakodate Marine Science Laboratory

http://www.city.hakodate.hokkaido.jp/docs/2014031100224/

Hakodate Regional Industry Promotion Organization

http://www.techakodate.or.jp/

Hakodate Official Travel Guide

http://www.hakodate.travel/en/