Three sightings have been reported in recent days, in Laugharne, Carmarthenshire, north Pembrokeshire and Anglesey.
BBC: Leatherback turtle sightings up in west and north Wales
2.
The two-mile trail, inspired by a poem about the walk Thomas wrote on his 30th birthday, offers views over the Laugharne boathouse where he worked.
BBC: Dylan Thomas birthday poem route opens at Laugharne
3.
So it is no surprise that his favourite drinking haunts, Brown's Hotel at Laugharne, the Uplands Tavern in Swansea and seafront bars in Mumbles will also feature.