Quantum of the Seas J3 Suite Cabins
Cabin category J3 is the smallest suite on Quantum of the Seas: 60 J3 cabins on decks 6, 7, 8, 9, 10, 11 and 12, from 301 to 354 sq ft with balconies of 81 to 109 sq ft.

Quantum of the Seas J3 suite floor plan

- Sleeps
- Up to 5 guests18 cabins sleep 2 · 19 sleep 3 · 8 sleep 4 · 15 sleep 5
- Beds
- One Royal King bed (can convert into two twin-size beds) · One single sofa bed in staterooms with up to 3 guests · One double sofa bed in staterooms with up to 4 and 5 guests · One fold-down Pullman bed in staterooms with up to 5 guests
- Bathroom
- One bathroom with tub
- Living space
- Bedroom areaSitting area with sofa
How Quantum of the Seas J3 cabins compare
Quantum of the Seas J3 suite cabins are 301 sq ft, with the smallest balcony (81 sq ft); none of its cabins are connecting cabins.
J3: 301 sq ft · #8 of 9 suite categories
Find Quantum of the Seas J3 cabins on the deck plan
Deck 9 · 16 J3 cabins
Swipe to pan · tap a cabinHover a cabin · click to pinClosest alternatives to Quantum of the Seas J3
Only what's different from J3 is shown.

A bigger balcony
Where J3 suite cabins sit on Quantum of the Seas
Most J3 cabins are midship: 70% of those with a recorded position. J3 cabins are on decks 6, 7, 8, 9, 10, 11 and 12; deck 9 has the most (16).
What's inside a Quantum of the Seas J3 suite
On Quantum of the Seas, Junior Suite staterooms (category J3) measure 267–301 sq ft, plus an 81 sq ft balcony, and sleep up to 5 guests. Beds: one Royal King bed that converts into two twin beds, one single sofa bed (in rooms for 3), one double sofa bed (in rooms for 4) and one fold-down Pullman bed (in rooms for 5). The suite has a bedroom area, a sitting area with sofa and one bathroom with tub. Guests in this suite get Sea Class perks, listed below. Quantum of the Seas has 58 J3 cabins, on decks 6–12.
One bathroom with tub. Bedroom area and sitting area with sofa.
Included
- Dedicated stateroom attendant
- Daily cleaning service
- Exclusive bedding collection
- Stateroom climate control
- Ample closet and storage
- In-room HD-TV
- In-room safe for valuables
- Hair dryer
- Deluxe toiletries: shampoo, conditioner & body wash
Quantum of the Seas J3 cabin photos






All 60 cabins in category J3
Deck 9
16 cabinsDeck 10
14 cabinsAccessible J3 cabins
Known issues in cabin category J3
No issues recorded for J3 cabins.
Suite prices on Quantum of the Seas
Prices are by cabin type. We don't price individual categories like J3; "See suite fares" opens current suite fares with our booking partner.
Suite is $78 more per night than a balcony.
Fares as of Oct 5, 2026. Prices change daily.
31% of upcoming Suite sailings are currently below their recent average fare.
J3 on other Royal Caribbean ships
Quantum of the Seas J3 cabin FAQ
How big is a Quantum of the Seas J3 suite?
Most Quantum of the Seas J3 cabins are 301 sq ft; sizes run from 301 to 354 sq ft. Their balconies run from 81 to 109 sq ft. That is the smallest suite on Quantum of the Seas.
How many Quantum of the Seas J3 cabins are there, and on which decks?
Quantum of the Seas has 60 J3 cabins on decks 6, 7, 8, 9, 10, 11 and 12; deck 9 has the most (16).
How many people can stay in a Quantum of the Seas J3 cabin?
Quantum of the Seas J3 cabins sleep up to five. 18 cabins sleep 2, 19 sleep 3, 8 sleep 4 and 15 sleep 5.
What's the difference between cabin category J3 and J1 on Quantum of the Seas?
Quantum of the Seas J3 cabins are 55 sq ft smaller in total than J1 (382 vs 437 sq ft). J1 cabins are on decks 6, 7, 8, 9, 10, 11, 12 and 13; J3 cabins are lower, on decks 6, 7, 8, 9, 10, 11 and 12.
Do Quantum of the Seas J3 cabins connect?
No Quantum of the Seas J3 cabins are recorded as connecting cabins.
