Update 12/17/08: The 7-month CD APY has fallen to 3.50%. Please check with the bank for the latest rates.
Northfield Bank is offering a special 4.00% APY 7-month CD. Minimum deposit is $2,500. This special is listed on the bank's home page and in this promotion page (pdf) as of 12/14/08. Also listed is a money market account with an APY of 3.00% for balances over $15K. There's a $10/month fee for balances under $500.
It appears a branch visit is required to open an account. Branches are located in the New York cities of Staten Island and Brooklyn, and in the New Jersey cities of Avenel, East Brunswick, Linden, Milltown, Monroe and Rahway.
The bank has a 5-star rating for soundness (superior) at BauerFinancial based on 9/30/08 data. For some reason Bankrate doesn't have a rating for this bank. Northfield Bank has been FDIC insured since 1983 (FDIC Certificate # 28710).