The Epic inside cabins are about 20 SQF smaller then the ones on the Jewel class ships. It will be very tight if you can really book one for 4 passengers. The booking engine let's you but the cabin detail only shows 3 beds.
•128 SQF.
•Shower
•Crib
•Convertible Lower Beds
•Pullman Bed
•Duvet
•Refrigerator
•Hair Dryer
•Telephone
•Safe
•Television
•Inside
•Sitting Area
•Tea and Coffee Maker