Larger resorts like Charlie and Sivalai accept credit cards for a fee. (travelfish.org)
Charge Smart lets you pay your student loan payments via a credit card for a fee (Visa, MasterCard & Discover, but currently NOT American Express). (millionmilesecrets.com)
You may be able to pay your property taxes with a credit card for a fee either directly through your county or through a 3rd - party service provider such as Official Payments. (millionmilesecrets.com)