Sanibel ZIP Code List — Lee County, FL

There is one unique ZIP code in Sanibel, Florida and it is 33957. Area code: 239.

ZIP codes

16.23

sq mi land

18.95

sq mi water

239

area code

Sanibel, FL ZIP code map

About Sanibel, FL

Sanibel, Florida, is a charming coastal city located in Lee County. Known for its picturesque beaches and lush natural environment, Sanibel attracts visitors from all over the country. The city is an ideal destination for outdoor enthusiasts and those seeking a relaxing getaway.

Location & geography

Sanibel is situated on an island in the Gulf of Mexico, off the southwest coast of Florida. Nearby cities include Fort Myers, approximately 25 miles away to the northeast, Cape Coral, about 30 miles northeast, and Naples, roughly 40 miles to the south. The city boasts a land area of 16.23 square miles and an impressive water area of 18.95 square miles, reflecting its beautiful coastal terrain.

Community & economy

Sanibel has a unique character that combines a laid-back island lifestyle with a strong commitment to preserving its natural beauty. The local economy is largely driven by tourism, with many residents engaged in the hospitality industry, working in restaurants, hotels, and boutiques. Daily life in Sanibel often revolves around outdoor activities such as biking, fishing, and exploring the many nature trails and beaches.

Transportation

Sanibel can be accessed via the Sanibel Causeway, which connects it to the mainland and nearby Fort Myers. The nearest major airport is Southwest Florida International Airport, located approximately 30 miles from Sanibel. Local public transportation options are limited, but biking and walking are popular ways to navigate the island.

History

Sanibel's history dates back to the early 20th century when it was primarily a fishing and agricultural community. Key industries shifted towards tourism in the mid-20th century as the island became a popular vacation destination. Notable events include its designation as a wildlife refuge, which has helped protect the island's unique ecosystems.

Did you know?

One little-known fact about Sanibel is that the island has one of the highest rates of shell collecting in the world, attracting shell enthusiasts and beachcombers alike. Additionally, Sanibel is home to the J.N. 'Ding' Darling National Wildlife Refuge, which is a significant area for wildlife conservation.

ZIP codes for Sanibel, FL (1)

ZIP code	City	County	Map
33957	Sanibel	Lee	View map

Demographics & statistics

6,420

Population

68.6

Median age

$111,683

Median household income

$114,484

Per capita income

$844,500

Median home value

$1,003

Median monthly rent

89.7%

Home ownership

9.5%

Poverty rate

4.6%

Unemployment

8,117

Housing units

59.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

109

139

45–54

153

298

55–59

327

363

60–64

398

1,132

65–74

1,243

698

75–84

766

117

85+

128

← Male

Female →

Age summary

Group	Count	%
Under 18	151	2.4%
18 and over	6,269	97.6%
65 and over	4,084	63.6%
Median age	68.6 years

Race & ethnicity

White 95.8%

Asian 1%

Two or more races 0.9%

Black or African American 0.7%

Hispanic or Latino 0.6%

American Indian / Alaska Native 0.6%

Other race 0.4%

Group	Count	%
White	6,190	95.8%
Asian	65	1%
Two or more races	61	0.9%
Black or African American	45	0.7%
Hispanic or Latino	41	0.6%
American Indian / Alaska Native	36	0.6%
Other race	23	0.4%

Household income

Under $10k 5.2%

$10k–$15k 3.5%

$15k–$25k 6.2%

$25k–$35k 2.5%

$35k–$50k 12.6%

$50k–$75k 6.6%

$75k–$100k 9.1%

$100k–$150k 13.9%

$150k–$200k 11.3%

$200k+ 29.2%

Range	% of households
Under $10k	5.2%
$10k–$15k	3.5%
$15k–$25k	6.2%
$25k–$35k	2.5%
$35k–$50k	12.6%
$50k–$75k	6.6%
$75k–$100k	9.1%
$100k–$150k	13.9%
$150k–$200k	11.3%
$200k+	29.2%
Median income	$111,683

Housing

Home values

Under $50k 4.6%

$50k–$100k 1.1%

$100k–$150k 0.6%

$150k–$200k 1.5%

$200k–$300k 1.2%

$300k–$500k 13.1%

$500k–$1M 38.8%

$1M+ 39.0%

Housing overview

Metric	Value
Median home value	$844,500
Median rent / month	$1,003
Owner occupied	89.7%
Renter occupied	10.3%
Vacant	58.8%
Single-family detached	51.3%
Large apartment buildings	19.9%
Mobile homes	3.0%
Median rooms	5.2
Avg household size (owned)	1.88

Year built

Era	%
2020 or later	0.1%
2010–2019	3.0%
2000–2009	8.1%
1990–1999	11.1%
1980–1989	39.5%
1970–1979	33.5%
1960–1969	2.3%
1950–1959	1.4%
1940–1949	0.3%
1939 or earlier	0.8%

Bedrooms

Size	% of units
No bedroom (studio)	2.5%
1 bedroom	5.8%
2 bedrooms	41.1%
3 bedrooms	37.6%
4 bedrooms	10.3%
5+ bedrooms	2.6%

Vehicles per household

Vehicles	% of households
No vehicle	1.0%
1 vehicle	43.2%
2 vehicles	47.3%
3 or more	8.5%

Heating fuel

Fuel type	%
Utility gas	2.5%
Electricity	93.6%
Propane / LP gas	2.1%
No fuel used	1.7%

Households & families

Household type	Count	%
Married-couple family	2,208	63.2%
Cohabiting couple	63	1.8%
Male householder, no spouse	433	12.4%
Female householder, no spouse	787	22.5%
Households with children under 18	122	3.5%
Households with seniors (65+)	2,549	73.0%
Average household size	1.83

Marital status

Status	Male	Female
Never married	6.4%	8.2%
Married	78.8%	70.6%
Separated	1.3%	0.3%
Widowed	6.1%	13.6%
Divorced	7.5%	7.2%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.6%

HS graduate 21.5%

Some college, no degree 13.0%

Associate's degree 5.7%

Bachelor's degree 31.1%

Graduate / professional 28.1%

Metric	%
HS diploma or higher	99.4%
Bachelor's or higher	59.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	22	7.5%
Kindergarten	0	0.0%
Elementary school	81	27.6%
High school	31	10.6%
College / grad school	159	54.3%

Employment

Industry of employment

Retail trade 18.2%

Professional & management 18.0%

Finance & real estate 17.1%

Education & healthcare 10.5%

Construction 7.2%

Arts, food & hospitality 6.6%

Other services 6.4%

Manufacturing 4.3%

Information 3.9%

Wholesale trade 3.2%

Agriculture & mining 1.7%

Public administration 1.4%

Transportation & utilities 1.3%

Occupation

Category	%
Management, business & arts	53.4%
Service	7.4%
Sales & office	25.9%
Natural resources & construction	9.5%
Production & transportation	3.8%

Employment type

Type	%
Private sector	84.0%
Government	4.1%
Self-employed	11.5%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	50.6%
Carpool	6.4%
Public transit	0.2%
Walk	10.2%
Other means	0.8%
Avg commute (minutes)	17.8

Poverty

All people 9.5%

Under 18 years 29.8%

18 and over 9.0%

Married-couple families 4.9%

Female-led households 40.5%

Income support

Source	% of households
Social Security	68.4%
Retirement income	40.4%
Supplemental Security	2.5%
Cash public assistance	0.0%
Food stamps / SNAP	1.4%

Health indicators

Condition	%
High blood pressure	41.7%
High cholesterol	41.7%
Heart disease	10.1%
Stroke	3.9%
Asthma	7.1%
Arthritis	34.3%
Kidney disease	4.0%
Pulmonary disease	8.0%
Cancer	13.3%

Behavior / access	%
Binge drinking	10.6%
No physical activity	18.0%
Less than 7 hrs sleep	23.8%
Fair or poor health	12.1%
Poor mental health	9.3%
Poor physical health	10.0%
No health insurance	10.0%
Visited doctor (checkup)	83.0%
Visited dentist	78.5%
Cholesterol screening	97.3%
Teeth loss	6.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	483	7.7%

Disability	%
Any disability	11.2%
Under 18	13.2%
18–64 years	2.2%
65 and over	15.9%

Health insurance coverage

Type	%
Private insurance	67.4%
Public insurance	64.7%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,398	99.7%
Spanish	67	1.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	44	0.7%
Other languages	23	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,087	94.8%
Born in same state	6,021	93.8%
Born in different state	305	4.8%
Foreign born	66	1.0%
Naturalized citizen	333	5.2%
Not a US citizen	239	71.8%

Ancestry

Ancestry	Count	%
Italian	1,152	17.9%
French	1,065	16.6%
Arab	1,009	15.7%
Polish	217	3.4%
English	128	2%

Ancestry	Count	%
Irish	84	1.3%
German	48	0.7%
Dutch	36	0.6%
Norwegian	21	0.3%

Technology access

Metric	% of households
Computer access	54.4%
Internet access	94.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What is the ZIP code for Sanibel, FL?

Sanibel, FL has one ZIP code: 33957.

What is the main ZIP code for Sanibel, FL?

The primary ZIP code for Sanibel, FL is 33957. The city uses area code 239 for phone service.

What county is Sanibel, FL in?

Sanibel is located in Lee County, Florida.

How many ZIP codes are in Sanibel, FL?

Sanibel, FL has 1 ZIP code.

What ZIP code covers the Sanibel Island business district and downtown Sanibel area?

The Sanibel downtown and commercial areas are located in ZIP code 33957, which serves as the primary ZIP code for all of Sanibel Island.

What is the ZIP code for the Sanibel Lighthouse Beach area and the eastern part of Sanibel Island?

The Sanibel Lighthouse Beach and the eastern residential areas of Sanibel Island are all served by ZIP code 33957, which encompasses the entire island.