- Darien YMCA: "We will be open on Martin Luther King Day and all programs will run as scheduled with the exception of Holly Pond Nursery School and Kids Club."
- Darien Community Association has activities on Monday.
- Banks in Connecticut have the option of opening or closing. TD Bank is open.
- Darien Public Schools (PDF of 2013-2014 school calendar)
- Darien town government offices
- Holly Pond Nursery School and the Kids Club, both at the Darien YMCA.
- The New York Stock Exchange and much of the financial industry
- CT Transit bus service in Darien and Stamford has regular local service but restricted express service.
- Norwalk Transit District offices are closed, as is regular Wheels bus service. For other service, see its schedule on the website.
- "Metro-North will operate a Saturday schedule with special trains. See the full schedule. See a list of special trains."