Dyffryn House, Kidwelly - luxury holiday home sleeps up to 14, hot tub, parking for 6 cars, huge garden, 2 lounges, gorgeous location near Pembrey country Park, Millenium Coastal Path and located right opposite Kidwelly Castle. http://www.wheretoincarmarthenshire.co.uk/listings/holiday-cottages/holiday-cottage-sleeps-12.html#
Cedar hot tubs are kits that can be constructed onsite. they can also be a good elevation change feature, blending into a location where a deck can be built around the hot tub. Cedar hot tub from Roberts Hot Tubs http://www.rhtubs.com/index.html
From Endless Pools®, this 19' Dual-Temperature Swim Spa lets you swim or exercise at a comfortable 84° F and then enjoy hot-tub hydrotherapy at a relaxing 100° F. Request your Free Idea Kit at www.endlesspools.com.