Home > Products > Cartography > Offshore G-Chart > Chesapeake Bay Detailed Offshore G-Chart® - Chesapeake Bay Detailed Garmin® Offshore G-Charts in the Chesapeake Bay Detailed Region: Standard G-Charts work with: GPSMAP® 130, 135, 175, 210, 215, 215, 220, 225, 230, and 235. Micro G-Charts work with: GPSMAP 180 and 185. For charter/lease or trade-in orders, please call Garmin Cartography Sales at 1-800-800-1020. G-Chart Micro G-Chart Name Description Datum Retail Price GUS308SS MGUS308SS Mobjack Bay, May 99 Piankatank River to Hampton including Fishermans Island, Cape Charles, Old Castle Creek, Church Neck and Waterhouse Creek WGS 84 $99 GUS309SS MGUS309SS Rappahannock River, May 99 Dahlgren to Stingray Pt including Urbanna, Corrotoman River, Dymer Cr, Indian Cr, Little Wicomico River, Point Lookout WGS 84 $99 GUS310SS MGUS310SS Pocomoke River - Tangier Island, May 99 Big Annemessex River to Curratuck Creek including Smith Island & Tangier Island WGS 84 $99 GUS312SS MGUS312SS Cape Charles Approaches, May 99 Chincoteqague Inlet to Cape Charles including Fishermans Island, Smith Island, Myrtle Island, Cobb Island, Hog Island Parramore Island WGS 84 $99 GUS336SM MGUS336SM Baltimore - Wilmington, Mar. 00 Rock Hall Harbor to Chester, including Leipsic River, Canton, C&D Canal, Mannington Creek, Sassafras River and Chester River WGS 84 $199 GUS339SS MGUS339SS Delaware River, Mar. 00 Wilmington to Trenton including the entire Delaware River WGS 84 $99