The closest hotel to the venue is The Universe Paulista by Intercity. It is so convenient, you don't even have to cross the street.
They offer flats for 1 to 3 people, with prices per night (breakfast included) around:
- Single Rooms 100 USD
- Double Rooms 110 USD
- Triple Rooms 210 USD
These will change the closer to the event. You can make your reservation via booking.com.
Travel Inn Paulista Wall Street is another option, within an 6 min walk from the venue.
They offer a small flat (breakfast included) around:
- Single Rooms 90 USD
- Double Rooms 100 USD
Feel free to explore the region on both Booking and Airbnb. There are a few apartments that you could get for around 300 USD for the whole week.