Sea Island, GA ZIP code
The ZIP code for Sea Island, Georgia is 31561. It is in Glynn County.
- Population in these ZIPs
- 96
- Avg. median income
- $250,000population-weighted
- Typical home value
- $4,493,700population-weighted
- Metro area
- Brunswick-St. Simons, GA
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Sea Island, GA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 31561 | 96 | $250,001 | $4,493,700 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Sea Island
- Saint Simons Island 4 mi
- Jekyll Island 11 mi
- Darien 12 mi
- Brunswick 12 mi
- Townsend 21 mi
- Waverly 22 mi
- Waynesville 29 mi
- Saint Marys 30 mi
- Woodbine 32 mi
- Kings Bay 32 mi
- Riceboro 33 mi
- White Oak 33 mi
Frequently asked questions
What is the ZIP code for Sea Island, GA?
The ZIP code for Sea Island, GA is 31561.
What county is Sea Island, Georgia in?
Sea Island ZIP codes are in Glynn County.