Setup Dropbox with 2 Step Authentication, preferable with the Authy app. Then setup 1Password to sync with Dropbox. Each system while working together is then secure and isolated. Even if someone gets my Dropbox they dont get my passwords. If they get my passwords they dont have access to my Dropbox. Security! Much better than a cloud solution that says we will secure and sync everything for you.
JDubDev about 1Password - Password Manager and Secure Wallet, v6.5.1