Standard inside/outside: 140 sq ft.
Standard Balcony: 170 sq ft (including balcony)
Suite: 280 sq ft (including balcony)
Basically, the cabins are smaller than average on most ships. I see this as the one negative of MSC Cruises. I do hear they are well designed (the look like the same design Celebrity Cruises has used) so at least they have that going for them.