^I've totally consisted self catering , but thought it would just be stressful ? I am planning to have snacks etc around for the older one. But I can't be dealing with cooking meals and logging the kids around the entire time. I want to be able to pop downstairs to a restaurant and eat, or get room service etc. I don't want to be worried about cleaning up and cleaning bathrooms / changing sheets etc.
or am I deluded^
If you stay on an apartment complex, there's often maid service but I wouldn't clean the bathroom or change the sheets during a week's or fortnights holiday anyway. We just clean up at the end, but that's the same whether in a hotel or SC - make sure it's not a total tip for the cleaner and get rid of rubbish.
We rarely cook, or might do breakfast but it's very easy like a quick omelette or those ready made Spanish ones, or just nice bread, pastries etc.
Then we have one proper restaurant meal out once a day and for the other meal, have a big ice cream, ham, cheese, bread, olives, crisps etc on the balcony or drinks and tapas out. With little ones it's probably easier to have the meal out at lunch time then you and DH can eat, drink and chat on the terrace after DC have gone to bed.
Make sure there's some restaurants and at least a decent sized convenience store within walking distance and likely to be cheaper than AI and a nicer experience too as no queueing at the buffet.
Second the recommendation to go into a travel agent and ask for the best way with rooms for your situation. A lot of the time they'll say a room sleeps 2-4 but the second bed is a sofa bed in the living space, so I don't know how you feel about putting a toddler there? But you should be able to get a cot for the baby.