The little ones will get a kick out of watching the boats go back and forth at Fishguard Port. For some family fun, why not buy some tickets and head somewhere interesting?
You're spoiled for sightseeing choice when visiting Goodwick. Fishguard Port is a great place to kick off here, but there are numerous other interesting spots to appreciate. Last Invasion Gallery, Melin Tregwynt Woolen Mill, and Strumble Head Lighthouse are not far from the ferry passenger terminal and and will cap off your day nicely.