Mariner of the Seas 2B Balcony Cabins
Cabin category 2B is the largest balcony cabin on Mariner of the Seas: 8 2B cabins on decks 6 and 7, each 275 sq ft with a 65 sq ft balcony.

Mariner of the Seas 2B balcony floor plan

- Sleeps
- Up to 2 guests
- Beds
- One Royal King bed (can convert into two twin-size beds)
- Bathroom
- One bathroom
- Living space
- Room with bed, lowered vanity and sitting area with sofa
How Mariner of the Seas 2B cabins compare
Mariner of the Seas 2B balcony cabins are the largest balcony cabins at 275 sq ft, with the largest balcony (65 sq ft); none of its cabins are connecting cabins.
2B: 275 sq ft · #1 of 10 balcony categories
Find Mariner of the Seas 2B cabins on the deck plan
Deck 6 · 4 2B cabins
Swipe to pan · tap a cabinHover a cabin · click to pinClosest alternatives to Mariner of the Seas 2B
Only what's different from 2B is shown.

95 sq ft smaller in total

The next type up: a suite
Where 2B balcony cabins sit on Mariner of the Seas
All 2B cabins are midship. 2B cabins are on decks 6 and 7.
What's inside a Mariner of the Seas 2B balcony
These spacious Deluxe Ocean View Staterooms offer a spectacular view for a memorable vacation. On Mariner of the Seas, Spacious Ocean View Balcony - Accessible staterooms (category 2B) measure 275 sq ft, plus a 65 sq ft balcony, and sleep up to 2 guests. Beds: one Royal King bed that converts into two twin beds. Accessible features include a wide door, a roll-in shower, grab bars, a fold-down shower bench, a handheld shower head, a raised toilet and a lowered sink.
One bathroom. Room with bed, lowered vanity 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
Mariner of the Seas 2B cabin photos




All 8 cabins in category 2B
Deck 6
4 cabinsDeck 7
4 cabinsAccessible 2B cabins
Known issues in cabin category 2B
No issues recorded for 2B cabins.
Balcony prices on Mariner of the Seas
Prices are by cabin type. We don't price individual categories like 2B; "See balcony fares" opens current balcony fares with our booking partner.
Balcony is $11 more per night than an ocean view cabin, and $81 less per night than a suite.
Fares as of Oct 9, 2026. Prices change daily.
56% of upcoming Balcony sailings are currently below their recent average fare.
2B on other Royal Caribbean ships
Mariner of the Seas 2B cabin FAQ
How big is a Mariner of the Seas 2B balcony cabin?
A Mariner of the Seas 2B cabin is 275 sq ft inside plus a 65 sq ft balcony: 340 sq ft in total. That is the largest balcony cabin on Mariner of the Seas.
How many Mariner of the Seas 2B cabins are there, and on which decks?
Mariner of the Seas has 8 2B cabins: 4 on deck 6 and 4 on deck 7.
How many people can stay in a Mariner of the Seas 2B cabin?
Every Mariner of the Seas 2B cabin with a recorded occupancy sleeps up to two.
What's the difference between cabin category 2B and 3B on Mariner of the Seas?
Mariner of the Seas 2B cabins are 95 sq ft larger in total than 3B (340 vs 245 sq ft). 3B cabins are on decks 6, 7, 8, 9 and 10; 2B cabins are lower, on decks 6 and 7.
Do Mariner of the Seas 2B cabins connect?
No Mariner of the Seas 2B cabins are recorded as connecting cabins.
