The Peck Tavern is a historic tavern (now a private residence) at 1 Sill Lane (on the east side, just north of its junction with Boston Post Road) in Old Lyme, Connecticut. It is a 2-1/2 story wood frame structure, with a side-gable roof, wooden clapboard siding, and a large wing extending to the rear. The main (south-facing) facade is five bays wide, with the center bay consisting of a two-story gable-topped projecting section.