Del-One Federal Credit Union has 3 competitive 5-year CD and IRA CD rates with higher rates for larger deposits: 2.22% APY for $100K, 2.12% APY for $50K and 2.02% APY for an unknown minimum. Rates appear valid for all of May 2012. Click the details link above to see the credit unions rates page.
I recently wrote a blog post
on Del-One's reward checking account. I have more details about membership in that post. Here's a link to Del-One's membership page
. Everyone in Delaware should be able to qualify for membership.