There are a lot of hotels and hostels within the vicinity and here are a few (in order of distance) that are very close to the event venue, Le Danz:

Hotel Royal at Queens (4 Star):
This hotel is opposite the AWCSO venue, just being right across the street. It is a mid-range 4 star hotel, recently refurbished and very comfy.

Hotel Mercure Singapore Bugis (4 Star):
A new 4-star hotel 3 min walk from the AWCSO venue..

Oxford Hotel (3 Star):
The closest hotel is right next to the AWCSO venue. Recently re-furbished with adequately spacious rooms.

Bayview Inn (3 Star):
A comfortable 3-star hotel 3 min walk from the AWCSO venue. Reviews are good and Booking.com sometimes has really good deals on rooms.

Hotel Bencoolen (3 Star):
Another 3-star hotel 4 min walk from the AWCSO venue. Pleasant reviews, and please check regularly for the best prices.

Carlton Hotel (5 Star):
If you’d like to be pampered during your stay, pick the 5-star Carlton hotel for an ultra luxurious stay in one of Singapore’s best hotels. Only 5 min walk from the AWCSO venue.

Plush Pods (Hostel):
If you are on a tight budget and would like to save the most on accommodation, Plush Pods is a safe, clean and reputable hostel just 8 min walk from the AWCSO venue.

DISCLAIMER: Please note that the hotels, hostels, booking agencies listed here are not affiliated with AWCSO by any means and these are purely suggestions.