Stay away from US banks, with implementation of new IRS rules you have to very careful of your tax implications on money earned in the US, especially if you are considering moving there one day. They are getting more and more aggressive with pursuing taxes of expats with even remote ties to US citizenship.
Move the money offshore to a typical tax haven that has no income tax such as the previously mentioned Isle of Mann or the Cayman Islands. Either place has several financial institutions that would be glad to have your business and are used to dealing with similar situations such as yours.