Suburb profile
Nepean Bay SA 5223
Nepean Bay is located in the South East South Australia region of South Australia, postcode 5223. It has 263 properties across 16 streets, almost all houses. Explore every street in Nepean Bay, its property history, homes for sale and rent, who lives there, and the local agents.
About Nepean Bay
Nepean Bay, SA 5223, sits in the South East South Australia region and neighbours Ballast Head, Haines and Cygnet River. Its 16 streets hold 263 properties, all of them houses.
Census figures are for the Kangaroo Island area, which covers the whole suburb. The area had 4,894 residents, a median age of 50 and an average household of 2.2 people. Median household income was $1,128 a week, the median mortgage repayment $1,023 a month and the median rent $208 a week. Of 1,940 dwellings, 1,840 were separate houses, 49 semi-detached, 24 flats and 13 other; 844 were owned outright, 536 owned with a mortgage and 430 rented.
Updated October 2026
Who lives in Nepean Bay
- 4,894Peoplelive in the area
- 50Median ageyears
- $1,128Median household incomea week
- $208Median renta week
Homes by type
- Houses1,840
- Townhouses and semis49
- Flats and apartments24
- Other13
Household
- Median mortgage repayment$1,023a month
- Household size2.2people on average
How homes are held
For sale and rent in Nepean Bay
See below for current bid
29 Min Oil Road, Nepean Bay SA
Properties in Nepean Bay
Local agents in Nepean Bay


Helen Spouse
Holiday Home Management - Kangaroo Island Urban & Rural Partners
Last 12 months
- Properties sold
- 18
- Median sold price
- $520k
- Median days on market
- 60


Nigel Christie
Rural Sales Partner Urban & Rural Partners
Last 12 months
- Properties sold
- 28
- Median sold price
- $528k
- Median days on market
- 102
Agencies that specialise in Nepean Bay
Streets in Nepean Bay
- Bay View Road6 properties
- Bayview Road8 properties
- Capstan Street4 properties
- Elsegood Road1 property
- Flea Castle Road1 property
- Halyard Road5 properties
- Hog Bay Road7 properties
- Keel Street1 property
- Marina Crescent22 properties
- Min Oil Road17 properties
- Nepean Esplanade61 properties
- Ocean View Drive62 properties
- Point Morrison Road3 properties
- Sea Vista Road58 properties
- Wallers Road1 property
- Western Cove Road6 properties
Neighbouring suburbs
Addresses and streets incorporate or were developed using G-NAF © Geoscape Australia, licensed by the Commonwealth of Australia under the Open Geo-coded National Address File (G-NAF) End User Licence Agreement.
Population and housing figures are drawn from the Australian Bureau of Statistics, Census of Population and Housing 2021, licensed under Creative Commons Attribution 4.0 International.
Area summaries are generated from the national address file and ABS Census data, and checked against those figures before publication.





