The rule in our house is, if you pack it then you carry it.
I’d say the following would be plenty. I plan to do a load of washing and Princess have self service washing machines and clothes dryers.
WEAR:
a pair of shorts,
a shirt
underwear,
shoes,
socks,
hat.
PACK:
another pair of shorts,
3 shirts,
a pair of long trousers and a nicer shirt for evenings,
a light coat or jacket,
1 set of swimmers,
3 pairs of undies,
3 pairs of socks,
a pair of thongs,
a razor, toothbrush, toothpaste, and deodorant.
You may also want iPad, chargers, and a camera.