I thought that price was a little cheap myself, I am not able to attend but I have a few friends that are going.Sounds great though, Burgers are only $20.00.
That is a 976-Tuna charter and they can set their own price. 976 trades advertising on their site for trips and keeps the cash generated as profit. They do a lot of trips like that. They have 25 or 30 boat sponsors that advertise on that site that provide trips as a cost of doing business.