Deltaville is a small unincorporated community and census-designated place on the eastern tip of Middlesex County in the eastern part of the U.S. state of Virginia. It is known for being a vacation spot with sailing, fishing, and other water activities. The town developed around being a large boat building area, mostly for commercial bay watermen. However, those days have passed and the area is now dotted with numerous marinas, boatyards, and marine related businesses. The Deltaville ZIP code is 23043.