if its beaches your after then phuket is your place - may be a bit hot at times for two younguns tho' - there is a cookery school run by pat - who has amountain bunglow for rent - you would need a car - but at 1000 baht a night its a bargain - or you could search phuket villas

pats site is here Pat's Home Thai Cooking Classes - Culinary Thai Cooking School in Phuket Thailand