Unless you go self catering somewhere in the UK.
Travelling with all the formula, bottles and something to sterilise the bottles with. Someway to heat and store water. Let's not include the buggy, the cot and all the extra stuff needed for baby. And a room big enough to accommodate everything.
We thought about going on a cruise out of Southampton so we could go somewhere warmer and have access to baby clubs etc without the stress of flying. But they all have showers and not baths unless you book the most expensive cabins which are a fortune.
Just don't know where we can go that's suitable and doesn't cost the earth