UDT Australia 2026 Hotels

We kindly ask all conference attendees to book their accommodation using the official booking links provided on our website. These links ensure access to exclusive rates and availability secured for our event. Please note that any changes, special requests, or cancellations related to your hotel booking will need to be made directly with the hotel. Undersea Defense Technology 2026 will not be responsible for cancellation charges related to your booking. We recommend confirming your reservation details with the hotel ahead of your arrival. We look forward to seeing you at UDT Australia 2026!

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Hotel Indigo Adelaide Markets  
4.4/5 4 Star Hotel

Distance from Adelaide Showgrounds: 2.1km. 6 min drive, 15 minutes by Tram, 28 min walk.

Price: Starting from $254 per night

Address: 23-29 Market St, Adelaide SA 5000

Be inspired by the neighbourhood we call home - an eclectic pocket in the heart of the city boasting a vibrant culinary and produce hub with a strong sense of character and community. Our hotel is buzzing with local vibrancy. From the moment you open our lobby doors, admire the textural brick archways inspired by our foodie neighbour - the Adelaide Central Market, Hallways are brought to life with vibrant pop-art. Our 24/7 business service and fully equipped fitness centre helps you stay productive and energised during your stay. The outdoor swimming pool with sun beds offers stunning views to chill and unwind. Not to mention our spacious and naturally lit rooms, all representing the hotel's aesthetic and commitment to sustainability.

Room Types Depicted: King Standard, King Premium, King Premium Corner Room

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Adelaide Marriott Hotel 
4.5/5 

Distance from Adelaide Showgrounds: 3.1km. 8 min drive, 21 minutes by Tram, 39 min walk.

Price: Starting from $285 per night

Address: 23-29 Market St, Adelaide SA 5000

As Marriott International’s first hotel in South Australia, Adelaide Marriott has seen the restoration of Adelaide’s iconic, 150-year-old General Post Office within Adelaide’s Central Business District. Seamlessly blending the building’s history with the hotel’s contemporary design, the hotel offers 285 guestrooms, including a Presidential Suite, Club Lounge, signature restaurants and bars, swimming pool and fitness centre, plus function and conference rooms, each containing local art collections inspired by South Australian Heritage.

Room Types Depicted: Superior, Guest room, 1 King

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Accommodation Terms and Conditions

  • Rates are typically quoted per room, per night, inclusive of applicable taxes (e.g. 10% GST in Australia).
  • Prices are subject to change and availability at the time of booking.

  • A valid credit card is usually required to guarantee the reservation.
  • Some providers require full pre-payment at the time of booking.
  • Bookings made via the hotel platforms are subject to their platform-specific terms, including arbitration clauses and all terms should be reviewed prior to completing your booking.

  • Cancellations made after a specified date may incur cancellation charges as specified by the hotel.
  • No-shows typically result in a full cancellation charge.
  • All cancellations must be submitted in writing directly to the hotel.

  • Standard check-in and check-out times apply unless otherwise arranged.
  • Late check-out or early check-in may require booking an additional night.

  • Guests should notify the hotel of any special requirements (e.g. accessibility, dietary needs) at the time of booking.