Home > Products > Cartography > Offshore G-Chart > Alaska Southwest - Large Charts Offshore G-Chart® - Alaska Southwest - Large Charts Garmin® Offshore G-Charts in the Alaska Southwest - Large Charts 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 GUS231SL MGUS231SL Cook Inlet Entire Cook Inlet WGS 84 $299 GUS232SL MGUS232SL Kodiak & Afognak Islands Including Kodiak and Afognak Islands entirely WGS 84 $299 GUS233SL MGUS233SL Bristol Bay - Alaska Peninsula From Katmai Bay to Cape Newenham, including Bristol Bay and entire Alaska Peninsula WGS 84 $299 GUS235SL MGUS235SL Aleutian Islands From Unimak Pass to Tanaga Island, including Pribilof Islands WGS 84 $299 GUS908GL MGUS908GL Aleutians - Cook Inlet From Anchorage to Tanaga Island, including Kodiak Island, Alaska Peninsula and Andreanof Island WGS 84 $299