Belize has one international Airport in Belize City, the Philip S.W. Goldson International Airport and it is located ~2 hours from the city and venue. The airport is the destination of bigger U.S. and European airlines. You may have your prefered website to buy plane tickets. The Central American airlines is TACA (Please note that their offers can differ and sometimes don’t even appear in common websites).
Getting to Belize by land is a viable option for people coming from Central American countries. There are some companies where you can get information about possible itineraries. Costs and travel time from your country to the Guatemala border to Belize varies. But the city venue is only ~15 minutes away and you can cheaply be taken from a taxi at the border to the venue.
Some people prefer coming in groups. If you are interested in coordinated travel, add yourself to the wiki list for:
The Belizean currency is the Belize Dollar. The US dollar is also accepted almost everywhere also. In most places, if you pay in US dollars, you will receive your change in Belize dollars.
US$ 1.00 = BZ$ 2 (update)
There are coins for $1, as well as 50¢, 25¢, 10¢, and 5¢.
There are banknotes for $100, $50, $20, $10, $5, $2 .
There is a whole article in Wikipedia with details about each coin and banknote of the http://en.wikipedia.org/wiki/Belize_dollar
Most high-end restaurants and shops in major tourist areas will accept credit cards. Many places will only accept cash, specially smaller establishments.
Visa and MasterCard are the most widely accepted cards and carrying both is a good idea as many places will either accept one or the other.
NOTE: Before you leave home, make sure to inform your bank of your travel plans to ensure that your card is not blocked while you are in Belize.
Credit cards and banks
Visa: Belize Bank, Atlantic Bank, Scotia Bank Mastercard: Belize Bank, Atlantic Bank, Scotia Bank
At the City their are four bank ATMS open 24hours.