Landlady Briony MacMillan, 61, said: "I was surprised and thrilled - it's a nice accolade to have.
The Ty Coch (or Red House in English) began life as a vicarage in 1823 before it opened as an inn in 1842 for shipbuilders from the nearby harbour.
It can only be reached by walking nearly a mile across the beach or across a golf course on top of the headland.
To give you an idea of the kind of places the Ty Coch was up against, here is the top ten list:
- Pelican Bar, Negril, Jamaica
- Badeschiff, Berlin, Germany
- Ty Coch Inn, Porthdinllaen, Wales
- The Beach Pavilion, Hayman Island, Australia
- Tabon Te Keekee, North Tarawa, Kiribati
- Barasti, Dubai, United Arab Emirates
- The Watering Hole, Cornwall, England
- Flora-Bama Lounge, Pensacola, Florida, United States
- Purobeach, Tivat, Montenegro
- Shimmy Beach Club, Cape Town, South Africa