Seattle Bank in Washington State has a promotion going on right now that guarantees rates for six months after date of opening the account. The rates are 0.90% APY for their money market account on all deposits up to $100,000 and 1.00% APY for deposits of $100,000 to $999,999.
There is an additional requirement to have a Premier Checking account, which has a minimum balance of $1000 to avoid monthly fees. No activity is required on this account.
Direct URL: Seattle Bank - Seattle, WA - SummerRate