Bank of Internet has a high 5.35% APY 5 year CD available on their 60 month/5 year CD. This CD rate used to be 5.41% and was featured here on rates tracker, but it appears that they have been dropping their rates as well. Still, they have one of the best CD rates for the 5 year maturity period.

Bank of Internet has a 4 star rating on BankRate.com, so it appears that they are pretty legitimate and customer friendly.