Zeus
XG XF
= 2 lower beds & 2 upper beds / 
= 2 lower beds & 1 upper bed / 
= double bed / 
= 2 lower beds
Hera
Ouranos
Apollo
XG XE XEO ID
= 2 lower beds & 1 upper bed / 
= connecting cabins / = double bed / 
= cabins with bathtub / = 2 lower beds
Venus
XE XD XC IC
= 2 lower beds & 2 upper beds / = 2 lower beds & 1 upper bed / 
= 2 lower beds & 1 upper bed & sofa / = double bed / = cabins with bathtub / 
= cabins with porthole(s) / = 2 lower beds
Dionysus
XE XB IC IB IA
= 1 lower bed & 1 upper bed / = 2 lower beds & 2 upper beds / = 2 lower beds & 1 upper bed / = 2 lower beds & 1 upper bed & sofa / = cabins with bathtub / = cabins with porthole(s) / = 2 lower beds
Poseidon
XA IA
= 1 lower bed & 1 upper bed / = 2 lower beds & 2 upper beds / = 2 lower beds & 1 upper bed / = cabins with porthole(s) / = 2 lower beds