Watamu ni mji wa pwani ya Kenya. Ni kata ya kaunti ya Kilifi, eneo bunge la Kilifi Kaskazini. Wakati wa sensa ya mwaka 2019 ulikuwa na wakazi 27,857. Pwani Electoral Commission of Kenya: Registered voters per polling station by electoral area/ward and constituency Archived Septemba 29, 2007, at the Wayback Machine https://www.citypopulation.de/en/kenya/cities/