
Lynnhaven River is completely within the City of Virginia Beach
Source: ESRI, ArcGIS Online

the Lynnhaven River watershed extends south of I-264
Source: Virginia Beach, VBgov City Map

Atlantic Avenue, in the resort area of Virginia Beach, is not within the Lynnhaven River watershed
Source: Virginia Beach, VBgov City Map

the Lynnhaven River was a major anchorage for ships in the 1700's
Source: University of Michigan, William L. Clements Library, Plan of Princess Ann and Norfolk counties (c.1781)

Lynnhaven River in the 1780's (NOTE: oriented with north at bottom of image)
Source: Library of Congress, Plan of Princess Ann and Norfolk counties (178_?)