In Italian, you can say "Sei bellissimo" to a man or "Sei bellissima" to a woman to mean "You're beautiful."
tu sei bella/o
a if your talking to a girl and o if you talking to a boy
to say beautiful island in italian you say ihavenobutte
Sono i belli
bei miracoli
bimbi belli
bello or Bella
nipoti belle.
bella gita
Bella amante.
Bella mattina
Ciao belli.
Beautiful soul in Italian is "anima bella" :) If you want to know anything else in another language you can look it up with Google translate.
You say "Mi zia bella".