A guide to guest houses and hotels offering bed and breakfast accommodation in South Wales and the rest of the United Kingdom. Find your vacation lodgings. Best South Wales B&Bs on TripAdvisor: Find traveler reviews, candid photos, and prices for bed and breakfasts in South Wales, Wales. Find Guest Houses in South Wales & Bed and Breakfasts in South Wales at LateRooms, the discount accommodation specialists. Book online or phone.