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Hotels of Earth

Adelaide Marriott Hotel

★★★★★ 141 King William Street, Adelaide, AU

9.1 guest rating· 554 reviews

The five stars

Adelaide Marriott Hotel holds a five-star rating in its official classification, the requirement for every property in the Hotels of Earth collection.

The service side of those stars shows in its listing: Fitness center, Swimming pool, Room service, Valet parking and Concierge service.

Guests score it 9.1/10 across 554 reviews.

About this hotel

Luxurious Amenities :

Enjoy a stay at the 5-star Adelaide Marriott Hotel featuring an indoor pool, 24-hour room service, and a concierge service.

Convenient Location :

Situated in the heart of Adelaide, just 200 metres from Victoria Square, making it easy to explore the city's landmarks and attractions.

Gourmet Dining Options :

Indulge in a buffet, à la carte, or continental breakfast at the hotel restaurant, ensuring a delicious start to your day.

To book your stay at the Adelaide Marriott Hotel, please check our website or contact us directly.

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Rooms & rates

Pick your dates. Prices are live, not cached.

Superior Twin Room

Sleeps 3 · 34 m² · 2× Double bed

  • Desk
  • Air conditioning
  • Bathrobe
  • Private bathroom
  • Coffee/tea maker

The spacious double room features air conditioning, soundproof walls, as well as a private bathroom boasting a walk-in shower and a hairdryer. The double room has parquet floors, a seating area with a flat-screen TV, a mini-bar, a tea and coffee maker, as well as a wardrobe. The unit has 2 beds.

Two-Bedroom Accessible

Sleeps 5 · 80 m² · 2× Double bed, Extra-large double bed (Super-king size)

  • Desk
  • Air conditioning
  • Bathrobe
  • Private bathroom
  • Coffee/tea maker

The spacious double room offers air conditioning, soundproof walls, as well as a private bathroom boasting a walk-in shower and a bath. The unit has 3 beds.

Superior King Room

Sleeps 2 · 34 m² · Extra-large double bed (Super-king size)

  • Desk
  • Air conditioning
  • Bathrobe
  • Private bathroom
  • Coffee/tea maker

The spacious double room offers air conditioning, soundproof walls, as well as a private bathroom featuring a walk-in shower and a hairdryer. The unit offers 1 bed.

Premium King Room

Sleeps 2 · 46 m² · Extra-large double bed (Super-king size)

  • Desk
  • Air conditioning
  • Bathrobe
  • Private bathroom
  • Coffee/tea maker

The spacious double room provides air conditioning, soundproof walls, as well as a private bathroom featuring a walk-in shower and a hairdryer. The double room features parquet floors, a seating area with a flat-screen TV, a mini-bar, a tea and coffee maker, as well as a wardrobe. The unit offers 1 bed.

M Club King Room with Lounge Access

Sleeps 2 · 51 m² · Extra-large double bed (Super-king size)

  • Desk
  • Air conditioning
  • Bathrobe
  • Private bathroom
  • Coffee/tea maker

The spacious double room offers air conditioning, soundproof walls, as well as a private bathroom featuring a walk-in shower and a bath. The double room features parquet floors, a seating area with a flat-screen TV, a mini-bar, a tea and coffee maker as well as city views. The unit offers 1 bed.

Deluxe King Room with City View

Sleeps 2 · 34 m² · Extra-large double bed (Super-king size)

  • Desk
  • Air conditioning
  • Bathrobe
  • Private bathroom
  • Coffee/tea maker

The spacious double room offers air conditioning, soundproof walls, as well as a private bathroom boasting a walk-in shower and a hairdryer. The unit has 1 bed.

Clock Tower Suite with Lounge Access

Sleeps 2 · 80 m² · Extra-large double bed (Super-king size)

  • Desk
  • Air conditioning
  • Bathrobe
  • Private bathroom
  • Coffee/tea maker

The spacious double room offers air conditioning, soundproof walls, as well as a private bathroom boasting a walk-in shower and a bath. The double room has parquet floors, a seating area with a flat-screen TV, a mini-bar, a tea and coffee maker as well as city views. The unit has 1 bed.

M Club Twin Room with Lounge Access

Sleeps 3 · 51 m² · 2× Double bed

  • Desk
  • Air conditioning
  • Bathrobe
  • Private bathroom
  • Coffee/tea maker

The spacious double room features air conditioning, soundproof walls, as well as a private bathroom boasting a walk-in shower and a bath. The double room has parquet floors, a seating area with a flat-screen TV, a mini-bar, a tea and coffee maker as well as city views. The unit has 2 beds.

Superior Accessible Larger King Room

Sleeps 2 · 46 m² · Extra-large double bed (Super-king size)

  • Desk
  • Air conditioning
  • Bathrobe
  • Private bathroom
  • Coffee/tea maker

The spacious double room provides air conditioning, soundproof walls, as well as a private bathroom featuring a walk-in shower and a bath. The double room features parquet floors, a seating area with a flat-screen TV, a mini-bar, a tea and coffee maker as well as city views. The unit offers 1 bed.

Executive Suite, 1 King Bed, Tower

Sleeps 2 · 80 m² · King bed

  • Desk
  • Desk chair
  • Bathrobe
  • Private bathroom
  • Separate bathtub and shower

<p><strong>1 King Bed</strong></p><p>861 sq feet </p><br/><p><b>Club/Executive Level</b> - Club Lounge access</p><p><b>Layout</b> - Bedroom, dining area, and sitting area</p><p><b>Internet</b> - Free WiFi 100+ Mbps (good for 1–2 people or up to 6 devices) </p><p><b>Entertainment</b> - 55-inch LED TV with digital channels</p><p><b>Food & Drink</b> - Coffee/tea maker, minibar (fees may apply), electric kettle, and 24-hour room service</p><p><b>Sleep</b> - Premium bedding and bed sheets </p><p><b>Bathroom</b> - Private bathroom, deep soaking bathtub, and separate shower with a rainfall showerhead</p><p><b>Practical</b> - Laptop-compatible safe, iron/ironing board, and desk; cribs (free) available on request</p><p><b>Comfort</b> - Daily housekeeping and climate-controlled heating and air conditioning</p><p><b>Accessibility</b> - Hardwood flooring in room</p><p>Non-Smoking</p><p>Connecting/adjoining rooms can be requested, subject to availability </p>

Amenities

  • Free WiFi
  • Heated pool
  • Indoor pool
  • Swimming pool
  • Fitness center
  • Parking garage
  • Valet parking
  • Breakfast in the room
  • Restaurant
  • Bar
  • Air conditioning
  • 24-hour front desk
  • Room service
  • 24-hour security
Show all 42 amenities
  • Non-smoking rooms
  • Non-smoking throughout
  • Family rooms
  • CCTV in common areas
  • CCTV outside property
  • Coffee Shop on site
  • Concierge service
  • Daily housekeeping
  • Dry cleaning
  • Facilities for disabled guests
  • Fire extinguishers
  • First aid kit available
  • Heating
  • Invoice provided
  • Ironing service
  • Key card access
  • Laundry
  • Lift / Elevator
  • Lower bathroom sink
  • Luggage storage
  • Meeting/banquet facilities
  • Safety deposit box
  • Security alarm
  • Smoke alarms
  • Soundproof rooms
  • Toilet with grab rails
  • Wheelchair accessible
  • Wine/champagne

Location

© OpenStreetMap contributors

141 King William Street, Adelaide, AU

Check-in
from 03:00 PM to 12:00 AM
Check-out
until 11:00 AM

What guests say9.1554 reviews

+ Friendly staff+ Excellent breakfast+ Great location+ Comfortable bedsCleanliness issues in some areasHeavy doors in family accommodation
Cleanliness8.3
Service9.8
Location9.8
Room Quality8.8
Amenities8.8
Value for Money8.8

Great short stay. Will return again. We usually stay at the Mayfair but it is closed for renovation, but would definitel

10.0

The decor is beautiful and smelt lovely. The room was extremely clean and well maintained. Staff very efficient and friendly. Stayed for breakfast and had a very satisfying meal.

Nothing!

Tracey · AU · 2026-07-25

A stylish, beautiful and modern, centrally located Adelaide hotel.

10.0

The location was excellent, the breakfasts were great. the hotel has beautiful interior design everywhere. Our room was very nice, lovely interiors and very big bathroom. The downstairs Bar was very nice in the evenings.

I found that the pillows on the bed were not very comfortable. The bed is large and the pillows are the extra long 'lodge' type pillows, but they just weren't very nice to sleep on. I tried both of the pillows and found neither particularly good. So if anything could be changed I would suggest that.

smh21 · NZ · 2026-07-18

Guest review

6.0

Nice big room good location

Poor service

mathew · AU · 2026-07-09

Hotels of Earth · questions

Is Adelaide Marriott Hotel really a five-star hotel?
Yes. Its own classification data carries five stars; that rating, not a style label, is what puts a property in this collection.

Good to know

Guests are required to show a photo ID and credit card upon check-in. Please note that all Special Requests are subject to availability and additional charges may apply.

A deposit may be required at the property.

Parking

Public parking is possible at a location nearby (reservation is not needed) and costs AUD 65 per day.

Internet

WiFi is available in all areas and is free of charge.

Pets

Pets are not allowed.

Children and extra bed policy

Children of any age are allowed.

Children up to and including 6 years old stay for free when using an available cot.

Children up to and including 11 years old stay for free when using an existing bed.

You haven't added any extra beds.

Any type of extra bed or child's cot/crib is upon request and needs to be confirmed by management.