| Coskata, Massachusetts | |
| Settlement Type: | Village |
| Pushpin Map: | USA Massachusetts |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location within the state of Massachusetts |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Massachusetts |
| Subdivision Type2: | County |
| Subdivision Name2: | Nantucket |
| Unit Pref: | Imperial |
| Population As Of: | 2000 |
| Population Density Km2: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 3 |
| Coordinates: | 41.3542°N -70.0203°W |
| Postal Code Type: | ZIP codes |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 616850 |
Coskata (also Coskaty, Cross Katy, or Koskata Head) is a village in Nantucket, Massachusetts, United States. Its elevation is 3 feet (1 m), and it is located at 41.3542°N -70.0203°W (41.3542871, -70.0202925), 2 miles (3 km) northwest of Wauwinet.