| Official Name: | Crystal Lake, Florida |
| Settlement Type: | Unincorporated Community |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Leader Title: | Commissioner |
| Leader Name: | Unknown |
| Established Title2: | Incorporated (town) |
| Established Date2: | None |
| Established Title3: | Incorporated (city) |
| Established Date3: | None |
| Unit Pref: | Imperial |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP code |
| Postal Code: | 32428 |
| Area Code: | 850 |
| Blank Name: | FIPS code |
| Blank1 Info: | Names |
| Footnotes: | ←North Greenhead ←Crystal Lake→ Sand Hills South → |
The Crystal Lake is an unincorporated community and lake community in Washington County, Florida, United States. It is located just north above the county line. The main roads through the community are State Road 77.