Angela, when you go with Livi to Makris go and spend a day at Mathraki, there is no problem with children visiting, children can't stay because Thomsons say the walls on the steps up to the rooms are too low.
If you just buy your drinks you will be very welcome especially if you tell Nic that you are returning in September. There is never very many people at the pool and there is an abundance of sun-beds. The food is great too.
Val x