According to Café Fuerte, Obama's Nazis at OFAC are stopping the project. The article linked to is in Spanish.
Question: What would you do if the capitalist owner of the ferry presented you with a written document which states that in case of capsizing and/or injury while you are traveling in the ferry, the owner would not be responsible and/or liable to pay any damages suffered by you. Would you sign that document? I would not. Could people on the ferry endup being shark food? Think about it!