Honestly the most comfortable cruise bed I've had

Princess ships have a reputation for good beds and 8315 didn't disappoint. The mattress is genuinely hotel-quality — pillowtop, good firmness. We slept 9 hours both sea days which we never do. Cabin is a standard balcony, slightly smaller balcony than RC equivalent but that's fine. Location on Deck 8 is ideal — two decks below the pool but not too far from the main elevator banks. One note: the balcony door is slightly stiff to open, needs a firm push. Minor. Bathroom has a shelf above the toilet that's genuinely useful for storing toiletries. Small thing but you notice good design when it's there.