The eastern terminus is at its junction with NY 14A in the town of Barrington, west of the village of Dundee.

NY 230 proceeds southbound from NY 54 as a two-lane woods road, bending to the southeast, crossing Keuka Lake Road near the hamlet of Sylvan Beach.

In Schuyler County, NY 230 enters the town of Tyrone, passing to the north of Waneta Lake and intersecting with NY 961L and County Route 26 (CR 26; Hammondsport-Wayne Road), which connects NY 230 to the county line (where CR 26 becomes Steuben CR 87).

[3] In Barrington, NY 230 continues northeast, crossing as a two-lane residential street through the hamlet of Crystal Spring.

The route returns to its rural background northeast of Crystal Spring, crossing John Green Road and Ray Crosby Road before intersecting with NY 14A in Barrington.