Havent stayed on this site but we had a walk around while we were in the area. Its right on the beach which seems to go on for ever! It is surrounded by beautiful countryside and is next to a nature reserve but I think it would also be very quiet. If this suits you then thats fine but if your girls want a bit more entertainment, pools etc then have a look at Haven Greenacres which is about half a mile down the road. It is still on the same great beach but its in the village of Morfa Buchan ( I think thats how its spelt!) which has a shop, a chip shop and a pub. I dont know what date in may the school hols are but if you look on their website for camping and caravaning offers you should find some good deals. Portmadoc is an interesting town (main attraction is the steam railway) and there is lots to do in the area (including Portmerion which is just outside the town). A lovely area, highly recommended and worth the stress of getting there.