If you have 24 hours to spend in Holyhead, here are some suggestions of things to do:
1. Visit South Stack Lighthouse: Take a hike down to the lighthouse and enjoy the beautiful views. Plan to spend around 1-2 hours here.
2. Explore Breakwater Country Park: Take a walk or bike ride along the coast and enjoy the sea views. Plan to spend around 1-2 hours here.
3. Visit St. Cybi’s Church: This ancient church has a lot of history and beautiful architecture. Plan to spend around 1 hour here.
4. Visit Holyhead Maritime Museum: Learn about the maritime history of the area and see some interesting exhibits. Plan to spend around 1-2 hours here.
5. Eat at The Seacroft: This restaurant is known for its excellent seafood and has a great view of the sea. Plan to spend around 1-2 hours here.
Overall, you could easily fit all of these activities into your 24-hour stay in Holyhead. However, if you prefer to take your time and enjoy each activity more leisurely, it might be best to prioritize your favorites and plan accordingly.