Southeast Area Transit (abbreviated to SEAT) is a provider of local bus service in eight towns and two cities in the southeastern portion of the U.S. state of Connecticut: East Lyme, Griswold, Groton (town and city), Ledyard, Montville, New London, Norwich, Stonington, and Waterford.

SEAT Connect Services (On-demand microtransit) Children aged 5 and under and measuring 45 inches in height or below ride for free.

Transfers allow customers to complete a one way trip which requires multiple buses.

Transfers are issued upon fare payment and are valid for one-and-a-half hours.

Transfers are only accepted at the following designated Transfer Points: Norwich Transportation Center, Lisbon Landing, Mohegan Sun, New London Water Street, New London NSA, New London Eugene O’Neill and State Street Shelter, Groton Square, Groton Plaza Court, I-95 / Route 2 Commuter Lot (N. Stonington), Olde Mistick Village