Mayfair Hotel
45 King William Street, Adelaide SA 5000, Australia
The Mayfair Hotel, Adelaide’s newest 5-star boutique hotel, is located in the heart of the city on the corner of King William and Hindley Streets, near Adelaide’s popular laneway bars, shopping and entertainment precinct. Mayfair Hotel is a beautifully renovated heritage-listed building where the spaces blend harmoniously to create a delightful fusion of past and present. Mayfair Hotel’s 170 elegant and well-appointed rooms and suites are complemented by amazing dining options, function spaces, services and facilities, including five light-filled meeting and function rooms, a business centre, a gym, Mayflower Restaurant & Bar and the newly opened rooftop bar, HENNESSY. The signature restaurant, Mayflower Restaurant and Bar, features an extensive wine list and offers a taste of South Australia's best produce, delivered by renowned Head Chef Bethany Finn. Escape to the height of city chic and elegance at the new HENNESSY Rooftop Bar. HENNESSY is open to guests and discerning visitors daily. The beautifully appointed and stylish interior space leads out to an open-air deck and balcony with stunning views of Adelaide. Specializing in premium Champagne, a carefully crafted selection of high-end wine, beer and spirits and complimented by a selection of sweet and savoury hors d’oeuvres.
Mayfair Hotel Function Rooms

The Hennessey Alfresco Terrace
The Outdoor Terrace is an elegant open air space offering stunning views overlooking the city. It offers a glass ceiling, heating/ cooling system and underfloor heating to provide protection and comfort year-round. The Terrace can accommoda...

The Hennessy Lounge
The Lounge is an elegant and relaxing indoor space with stylish décor, adorned with crystal chandeliers. The Lounge offers stunning views overlooking the Champagne Terrace and Adelaide City. The space can accommodate groups up to a maximu...

The Hennessy Rooftop Bar
This Rooftop Bar is designed to be enjoyed year-round, offering an elegant blend of indoor and outdoor spaces. Hand-crafted furnishings and crystal chandeliers affirm, This Rooftop Bar’s position at the height of city chic. This unique ve...

The Diamond Function Room
By combining the Pearl and Ruby rooms, we present a larger space suitable for meetings, networking events and business dinners. Up to 100 guests may be comfortably seated in a banquet style configuration in this space. Featuring stylish ...

The Pearl Function Room
The Pearl room allows for up to 36 guests in a classroom-style configuration and is ideal for seminars, conferences and meetings. It can be booked privately as an event space. Featuring stylish décor, tranquil surrounds, an abundance of n...

The Ruby Function Room
The Ruby room is another ideal space set in tranquil surrounds. We recommend this room for meetings, workshops and any event where privacy is required. If a classroom style set up is preferred, up to 24 guests is optimal. This function ro...

The Emerald Boardroom
The Emerald room is a discerning choice, offering natural light and catering for up to 6 guests boardroom style. The room is ideal for business meetings or interviews, where privacy is a key requirement.

The Garnet Boardroom
This space can accommodate up to 16 boardroom setup and can be booked privately as an event space. Our experienced team invite you to create a bespoke package, tailored to your needs and organisational objectives. Services available includ...

The Topaz Function Room
The Topaz room is private and quiet venue, catering for up to 14 guests boardroom style. This room offers double glazed windows that intercept bustling city noise and captures natural light. Featuring stylish décor, tranquil surrounds, an...

The Opal Function Room
The Opal caters for up to 20 guests boardroom style and captures plenty of natural light. Upon request, the Opal can be divided into smaller spaces to accommodate for more intimate functions. Featuring stylish décor, tranquil surrounds, a...
Frequently Asked Questions
How much does an event cost at Mayfair Hotel?
Please enquire for pricing and availability.
This may be subject to change due to seasonality, day of the week, duration and your specific requirements. For an accurate quote for your event please send an enquiry or contact one of VenueNow's Event Booking Experts.
How do I find out if Mayfair Hotel Adelaide is available for my event date?
The best way to find out if the Mayfair Hotel is available for your event date is to send an enquiry through or get in contact with one of VenueNow's Event Booking Experts.
Availability at many venues around the country is limited so if your date is flexible, please let the VenueNow team know and the venue may be able to provide a range of dates that suit your needs.
What catering / food and beverage options are available at the Mayfair Hotel Adelaide?
The following food and beverage / catering options are available for guests at Mayfair Hotel:
- Bar Tab
- Filtered Water
- Inhouse Catering
- Coffee / Tea
For more information regarding food and beverage / catering options, please contact a VenueNow Event Booking Expert.
What steps are involved in booking an event at the Mayfair Hotel?
There are a few steps involved in booking an event at Mayfair Hotel and the VenueNow team are here to do the heavy lifting for you.
Firstly, contact the VenueNow team by submitting an enquiry or speaking to one of our team members online or over the phone. We'll need to collect a few details from you, such as your:
- Event type
- Number of people attending
- Preferred event date & time (and if this is flexible)
- Budget (per person or total)
- Room layout
- Food and beverage / catering requirements
- Any other requirements
Once we've gathered these details, the VenueNow team will contact the team at Mayfair Hotel Adelaide to check:
1) Can they host the event on your preferred date / time? If not, what are some alternate dates / times?
2) What is the estimated cost based on your event requirements?
This process tends to take around 1 business day on average to receive a response from the venue. Once we've received a response, the VenueNow team will contact you as soon as possible.
If you're happy with the proposed price and dates / times, the VenueNow team will connect you with Mayfair Hotel to finalise your booking (which may include a site visit if you choose to do so).
VenueNow provides this service free of charge to you as we are paid a small fee by Mayfair Hotel if you book via us.
I have more questions. How do I get in contact?
There are a number of ways you can get in contact:
1) Call the VenueNow team on 1300 647 488 during business hours AEST
2) Contact the VenueNow team via our online chat in the bottom right of the screen
3) Submit an enquiry via the form on the page
The VenueNow team usually reply within a few hours during Australian business.
What type of events can be hosted at Mayfair Hotel?
The following types of events can be held at Mayfair Hotel:
- Conference
- 50th Birthday Party
- Gala Dinner
- Product Launch
- Trade Show
- Workshop
- 40th Birthday Party
- Bar Mitzvah
- End of Financial Year Party
- Christmas Party
- Engagement Party
- Hens Night
- Residential Conference
- Trivia Night
- Corporate Function
- Function
- Christening
- 30th Birthday Party
- Birthday Party
- Cocktail Party
- Corporate Offsite
- Executive Retreat
- Meeting
- School Formal
- Awards Dinner
- 21st Birthday Party
- Bucks Night
- Corporate Retreat
- Networking Event
- Seminar
- Wedding
- University Ball
- AGM
- 18th Birthday Party
- Bat Mitzvah
- Training
- Private Dining
- Ceremony
- Baby shower
- Bridal shower
- Exhibition
If your specific event type is not on the list, contact one of VenueNow's Event Booking Experts and they will check if Mayfair Hotel is able to facilitate your event or will help you find an alternate venue.
What South Australia destinations are near the Mayfair Hotel Adelaide?
The Mayfair boasts a central location in the heart of Adelaide. Located at the iconic Colonial Mutual Life (CML) Building, the Mayfair Hotel is in an unmatched location in the Central Business District, just a few minutes walk to Rundle Mall, Adelaide Oval, Adelaide Casino, Adelaide Central Market and Adelaide Zoo.
The Mayfair Hotel is also just minutes from Adelaide Airport, making it a great choice for guests looking for an excellent location at a great price. It's also close to South Australian destinations like the State Library of South Australia, Himeji Garden, the Art Gallery of South Australia and the National War Memorial. The Mayfair Hotel is also within minutes of some excellent bar and dining experiences, galleries, theatres, boutique event spaces, live music venues and recreational activities, many of which are scattered throughout the heart of the city in the Central Business District.
What function spaces are available for Mayfair Hotel functions?
Offering boutique event spaces and premium hotel facilities, the Mayfair Hotel has morphed into Adelaide's favourite place to hang out, dine, and have a good time. Apart from offering a variety of bar and dining experiences, this world leader in luxury hotels is also the best place to host a function in Adelaide.
You have several choices of Mayfair Hotel meeting rooms and functions spaces, including:
The Hennessey Alfresco Terrace — The Outdoor Terrace is a beautiful open-air location with spectacular views of the city. A heating/cooling system, glass ceiling and underfloor heating give year-round protection and comfort. In a cocktail-style setting, the Hennessey Alfresco Terrace can host groups of up to 50 guests.
The Hennessy Lounge — The Lounge is a sophisticated and serene space with crystal chandeliers, cosy furniture and one-of-a-kind knick-knacks. The Champagne Terrace and Adelaide City can both be seen from the Lounge. Cocktail-style groups of up to 40 guests can be accommodated in the venue.
The Hennessy Rooftop Bar — This roof top bar offers a wonderful blend of indoor and outdoor spaces, making it ideal for year-round enjoyment. With its handcrafted furnishings, crystal chandeliers and metropolitan style, The Henessy Rooftop Bar is a photogenic spot for small gatherings and even business meetings.
The Diamond Function Room — By combining the Ruby and Pearl rooms, you get a larger space appropriate for meetings, networking events, and business dinners that can comfortably seat up to 100 guests in a banquet style setup.
The Pearl Function Room — The Pearl Room, which can accommodate up to 36 guests in a classroom-style setting and has an adjacent mini bar, is great for seminars, conferences, workshops and meetings.
The Ruby Function Room — The Ruby Function Room is another lovely spot in a serene and modern setting. This space is ideal for meetings, workshops, and any other corporate event that requires privacy. If a classroom setting is preferable, a maximum of 24 guests can be accommodated.
The Emerald Boardroom — The Emerald Boardroom is a sophisticated option with plenty of natural light and space for up to 6 guests. The space is suitable for business meetings or interviews where confidentiality is essential.
The Garnet Boardroom — This function space can hold up to 16 guests in a boardroom setup and can be reserved for special events. Free WiFi is available in this boardroom and throughout the property.
The Topaz Function Room — The Topaz Function Room is a private and quiet space that can accommodate up to 14 people in a boardroom setup. This room has double-glazed windows that block out city noise whilst letting in natural light. The knowledgeable staff at the Mayfair Hotel will help you design a corporate event package that is specific to your needs and goals.
The Opal Function Room — The Opal Function Room can accommodate up to 20 people in a boardroom setting. It can be partitioned into smaller sections upon request to accommodate smaller functions. This room at the Mayfair boasts stylish décor, quiet surroundings, plenty of natural light, and a mini bar for pre-dinner cocktails right next door!
The Den Bistro — The Den Bistro offers high-quality casual bistro fare, as well as a tempting display of house-made sweets and the greatest barista coffees.
Mayflower Restaurant — The Mayflower Restaurant serves an assisted breakfast and an a la carte dinner, with the restaurant's famous dessert trolley. The Mayflower Restaurant is also known for its High Tea, which lends a touch of nostalgia to Saturday and Sunday afternoons.