Llainfawr is a small Certificated Site near Letterston, Haverfordwest, in Pembrokeshire, Wales.

Operating under the Camping and Caravanning Club's jurisdiction, it accommodates up to five caravans or motorhomes along with tents, keeping the atmosphere quiet and uncrowded. The site offers both grass-only pitches and grass pitches with electric hook-up.

Facilities include a flushing toilet, showers, washbasins, and Wi-Fi, with the toilet and shower housed in a professionally converted on-site caravan. The large field is well drained with closely cut grass and well-spaced pitches.

Pets are welcome, and the site receives a good TV signal. Access is straightforward from the A40, and the location serves as a convenient base for exploring Fishguard and the wider Pembrokeshire area.