SA · Kangaroo Island Council
Nepean Bay, SA, 5223
Current weather
11.3°CModerate drizzle
93% humidity · 29.4 km/h wind · 14.5° / 11.1° today · 15.5 mm rain
Suburb snapshot
Nepean Bay is a small locality in the Kangaroo Island area, home to around 140 residents (2021 Census). Recent indicators show median weekly rent around $330, 7 public transport stops within the suburb, and notable planning and development activity on record. Use the sections below for detailed population, safety, schools, and local activity data.
Population
- Population
- 140
- Median age
- 51
- Median household income / week
- $875
- Dwelling vacancy
- 29.1%
- Unoccupied private dwellings
- 23 of 79
- Median monthly mortgage
- $940
- Employment rate
- 52.1%
- Dwelling mix (houses / semi / flats)
- 6 / 0 / 0
Data sources & freshness
- 2021 Census — General Community Profile — Australian Bureau of Statistics · Period: 2021 · Updated on site · 2021 Census release
The 2026 Census runs in August 2026; suburb-level updates are expected from mid-2027.
Housing
- Houses (01/01/26 to 31/03/26)
- $330
Median weekly rent from SA Housing Authority rental bond data. Figures can be unreliable where few bonds were lodged in the quarter.
Data sources & freshness
- SA Housing Authority rent & sales reports — Government of South Australia · Period: 1 January - 31 March 2026 · Updated on site · Quarterly releases
Public transport
7 public transport stops in this suburb
- Hog Bay Rd / Elsegood Rd - North side (Grace James' Corner)
- Hog Bay Rd / Min-Oil Rd - North East side
- Hog Bay Rd / Western Cove Rd - North East side (Western Cove)
- Hog Bay Rd / Western Cove Rd - South West side (Western Cove)
- Hog Bay Rd- South side (KI Kennels)
Data sources & freshness
- Adelaide Metro GTFS stops — Department for Infrastructure and Transport (SA) · Period: current · Updated on site · GTFS static feed
Planning & development
Development applications from PlanSA register (lodged 2020–2026) and EPA licensed activities.
25 planning-related records
2026· 4 proposals
June 2026
- Construction of a boundary retaining wall fence up to 3.4 metres in height34 SEA VISTA RD NEPEAN BAY SA 5223Under Assessment
March 2026
- Variation to Development Application 25028904 - change to siting of outbuilding34 SEA VISTA RD NEPEAN BAY SA 5223Under Assessment
- Construction of a single storey detached dwelling and rainwater tankLOT 21 OCEAN VIEW DR NEPEAN BAY SA 5223Under Assessment
January 2026
- Construction of a single storey detached dwelling and garageLOT 217 FLEA CASTLE RD NEPEAN BAY SA 5223Under Assessment
2025· 6 proposals
September 2025
- Construction of an outbuilding34 SEA VISTA RD NEPEAN BAY SA 5223Under Assessment
August 2025
- Variation to Development Application 24022126 – increase floor area of upper level including reconfiguration of deck, internal alterations and change to window opening6 CAPSTAN ST NEPEAN BAY SA 5223Decision Made
- Variation of Development Application 24008729 - construction of new upper level (addition to approved dwelling)86 WESTERN COVE RD NEPEAN BAY SA 5223Decision Made
May 2025
- Construction of a single storey detached detached including carport and deck, ancillary accommodation and garage and associated earthworks and rainwater tank4 HALYARD RD NEPEAN BAY SA 5223Under Assessment
January 2025
- Construction of a domestic store and associated earthworks64 SEA VISTA RD NEPEAN BAY SA 5223Decision Made
- Single storey detached dwelling and 2 x 22,500 litre water tanks34 SEA VISTA RD NEPEAN BAY SA 5223Decision Made
2024· 2 proposals
December 2024
- Two storey detached dwelling, two decks, verandah and 2 x 22,500 litre water tanks.6 CAPSTAN ST NEPEAN BAY SA 5223Under Assessment
May 2024
- Two storey residential dwellingLOT 49 OCEANVIEW DR TAPEROO SA 5017Decision Made
2023· 2 proposals
November 2023
- Construction of a domestic outbuilding7 OCEAN VIEW DR NEPEAN BAY SA 5223Decision Made
February 2023
- Construction of a storage building45 SEA VISTA RD NEPEAN BAY SA 5223Decision Made
2022· 7 proposals
November 2022
- Construction of outbuilding (domestic shed)40 NEPEAN ESP NEPEAN BAY SA 5223Decision Made
October 2022
- Construction of a domestic outbuilding78 NEPEAN ESP NEPEAN BAY SA 5223Decision Made
September 2022
- Shed to house caravan and home workshop with toilet / shower and roof mounted solar panels72 OCEAN VIEW DR NEPEAN BAY SA 5223Decision Made
July 2022
- Single storey detached dwelling and outbuilding50 SEA VISTA RD NEPEAN BAY SA 5223Decision Made
June 2022
- Verandah and deck66 OCEAN VIEW DR NEPEAN BAY SA 5223Decision Made
May 2022
- Construction of a single storey detached dwelling including associated earthworks78 NEPEAN ESP NEPEAN BAY SA 5223Decision Made
February 2022
- Addition to existing residence57 SEA VISTA RD NEPEAN BAY SA 5223Decision Made
2021· 4 proposals
December 2021
- Construction of a single storey detached dwelling and outbuilding including associated water tank44 NEPEAN ESP NEPEAN BAY SA 5223Under Assessment
November 2021
- Construction of a single storey detached dwelling47 SEA VISTA RD NEPEAN BAY SA 5223Under Assessment
August 2021
- Construction of a single storey detached dwelling and associated outbuilding (garage)56 OCEAN VIEW DR NEPEAN BAY SA 5223Decision Made
July 2021
- Construction of a single-storey detached dwelling with ancillary outbuilding58 NEPEAN ESP NEPEAN BAY SA 5223Decision Made
Data sources & freshness
- PlanSA development applications & EPA licences — Government of South Australia — PlanSA · Period: 2020–2026; 2021; 2022… · Updated on site
Amenities
No OpenStreetMap amenities mapped for this suburb yet.
Data sources & freshness
- OpenStreetMap amenities — OpenStreetMap contributors · Period: current · Updated on site · Weekly refresh
Socio-economic (SEIFA)
- IRSAD decile (2021)
- 6/10
- IRSD decile (2021)
- 7/10
SEIFA indexes from ABS 2021. Decile 10 = most advantaged / least disadvantaged in Australia.
Data sources & freshness
- SEIFA 2021 (IRSAD / IRSD) — Australian Bureau of Statistics · Period: 2021 · Updated on site · 2021 SEIFA release
Green cover
- Parks & woodland (OSM)
- 18
- Parks (OSM)
- 0
OpenStreetMap parks and natural woodland features mapped within the suburb boundary.
Data sources & freshness
- OpenStreetMap green cover features — OpenStreetMap contributors · Period: current · Updated on site · Weekly refresh
Recent changes
- Addition to existing residenceplanning57 SEA VISTA RD NEPEAN BAY SA 5223Lodged 22 Feb 2022 · Decision Made
- Construction of a boundary retaining wall fence up to 3.4 metres in heightplanning34 SEA VISTA RD NEPEAN BAY SA 5223Lodged 01 Jun 2026 · Under Assessment
- Construction of a domestic outbuildingplanning7 OCEAN VIEW DR NEPEAN BAY SA 5223Lodged 15 Nov 2023 · Decision Made
- Construction of a domestic outbuildingplanning78 NEPEAN ESP NEPEAN BAY SA 5223Lodged 31 Oct 2022 · Decision Made
- Construction of a domestic store and associated earthworksplanning64 SEA VISTA RD NEPEAN BAY SA 5223Lodged 13 Jan 2025 · Decision Made
- Construction of a single storey detached detached including carport and deck, ancillary accommodation and garage and associated earthworks and rainwater tankplanning4 HALYARD RD NEPEAN BAY SA 5223Lodged 29 May 2025 · Under Assessment
- Construction of a single storey detached dwellingplanning47 SEA VISTA RD NEPEAN BAY SA 5223Lodged 09 Nov 2021 · Under Assessment
- Construction of a single storey detached dwelling and associated outbuilding (garage)planning56 OCEAN VIEW DR NEPEAN BAY SA 5223Lodged 12 Aug 2021 · Decision Made
- Construction of a single storey detached dwelling and garageplanningLOT 217 FLEA CASTLE RD NEPEAN BAY SA 5223Lodged 27 Jan 2026 · Under Assessment
- Construction of a single storey detached dwelling and outbuilding including associated water tankplanning44 NEPEAN ESP NEPEAN BAY SA 5223Lodged 20 Dec 2021 · Under Assessment
Data sources & freshness
- PlanSA development applications & EPA licences — Government of South Australia — PlanSA · Updated on site
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