Fishguard is a coastal town in Pembrokeshire, Wales, with a population of 3,400 as of the 2021 census. Modern Fishguard consists of two parts…Fishguard is a coastal town in Pembrokeshire, Wales, with a population of 3,400 as of the 2021 census. Modern Fishguard consists of two parts, Lower Fishguard and the "Main Town". Fishguard and Goodwick are twin towns with a joint Town Council.