Garden Island (Western Australia)

Island Island off Perth housing major naval base

Off Rockingham near Perth, Garden Island hosts the Royal Australian Navy’s HMAS Stirling and protected coastline. Public access is restricted, but nearby boat charters and dive sites draw recreational fishermen and divers.

Main image
Main image

Garden Island is an island off the coast of Western Australia, adjacent to the town of Rockingham. It is best known as the site of the Royal Australian Navy base HMAS Stirling.

The island contains extensive naval port facilities, wharves, and infrastructure associated with fleet operations. Public access is limited because much of the island is an active military installation.

Garden Island’s development into a naval base dates from the latter half of the 20th century when facilities were established to provide a permanent west coast naval presence for Australia; the island’s role has been as an operational port and support base since that time.

The island lies off the southwest coast of the Perth metropolitan area, adjacent to Rockingham in Western Australia, and forms part of the coastal archipelago of the region.

  • Access restrictions: Much of the island is part of an operational naval base and has restricted access for the public; visitors must observe naval security rules.
  • Local setting: The island is adjacent to the coastal town of Rockingham and forms part of the local maritime infrastructure for the Perth metropolitan region.

What to See #

  • HMAS Stirling: The Royal Australian Navy base HMAS Stirling occupies the island and adjacent naval precinct, serving as the principal naval facility for Western Australia.
Garden Island (Western Australia)
Garden Island, Western Australia (off the coast of Perth)
-32.2042, 115.6794

How to Get to Garden Island (Western Australia) #

Garden Island is reached by a causeway from the mainland via the Garden Island Road; parts of the island are restricted due to Royal Australian Navy facilities-verify public access points before traveling.

Tips for Visiting Garden Island (Western Australia) #

  • Garden Island is an active naval area-respect posted restrictions and do not approach restricted facilities.
  • The island offers good vantage points for Perth skyline views at sunset; aim for the western shore as light falls.
  • If driving from Perth, use the Kwinana Freeway and Garden Island Causeway; allow time for checkpoint delays.

Best Time to Visit Garden Island (Western Australia) #

Spring through autumn offers the most comfortable weather for coastal walks and views; check access restrictions due to naval facilities.

Spring-Autumn
Sept-May · 15°C to 28°C
Mild weather and clearer skies for coastal views; beaches are pleasant for walks.
Winter
Jun-Aug · 8°C to 18°C
Rainier season with stronger winds-less comfortable for shoreline visits.

Weather & Climate near Garden Island (Western Australia) #

Climate

Subtropical climate with warm summers (peaking in February) and cool winters (coldest in August). Temperatures range from 11°C to 28°C. Moderate rainfall (751 mm/year) with a pronounced dry season.

Temperature & Rainfall
Temperature Range
28°
Warmest Month
11°
Coldest Month
Monthly Conditions

January

January is mild with highs of 27°C and lows of 19°C. Light rainfall and breezy conditions.

Comfort

23°
Feels Like Mild
23°C
Temperature
19° 27°

Weather

11 mm
Rainfall
6.5 m/s
Wind
Breezy

February

February is the warmest month with highs of 28°C and lows of 19°C. Light rainfall and breezy conditions.

Comfort

24°
Feels Like Mild
24°C
Temperature
19° 28°

Weather

18 mm
Rainfall
6.2 m/s
Wind
Breezy

March

March is mild with highs of 26°C and lows of 18°C. Light rainfall.

Comfort

22°
Feels Like Mild
22°C
Temperature
18° 26°

Weather

15 mm
Rainfall
5.9 m/s
Wind
Light Breeze

April

April is mild with highs of 23°C and lows of 16°C. Moderate rainfall (40 mm).

Comfort

20°
Feels Like Mild
20°C
Temperature
16° 23°

Weather

40 mm
Rainfall
5.0 m/s
Wind
Light Breeze

May

May is cool with highs of 20°C and lows of 14°C. Significant rainfall (108 mm).

Comfort

17°
Feels Like Cool
17°C
Temperature
14° 20°

Weather

108 mm
Rainfall
4.7 m/s
Wind
Light Breeze

June

June is cool with highs of 18°C and lows of 12°C. Significant rainfall (153 mm).

Comfort

15°
Feels Like Cool
15°C
Temperature
12° 18°

Weather

153 mm
Rainfall
4.9 m/s
Wind
Light Breeze

July

July is cool with highs of 17°C and lows of 11°C. The wettest month with heavy rain (158 mm).

Comfort

14°
Feels Like Cool
14°C
Temperature
11° 17°

Weather

158 mm
Rainfall
4.8 m/s
Wind
Light Breeze

August

August is the coolest month with highs of 17°C and lows of 11°C. Significant rainfall (106 mm).

Comfort

14°
Feels Like Cool
14°C
Temperature
11° 17°

Weather

106 mm
Rainfall
5.2 m/s
Wind
Light Breeze

September

September is cool with highs of 18°C and lows of 12°C. Moderate rainfall (69 mm).

Comfort

15°
Feels Like Cool
15°C
Temperature
12° 18°

Weather

69 mm
Rainfall
5.2 m/s
Wind
Light Breeze

October

October is cool with highs of 19°C and lows of 13°C. Moderate rainfall (41 mm).

Comfort

16°
Feels Like Cool
16°C
Temperature
13° 19°

Weather

41 mm
Rainfall
5.8 m/s
Wind
Light Breeze

November

November is mild with highs of 22°C and lows of 15°C. Light rainfall and breezy conditions.

Comfort

18°
Feels Like Mild
18°C
Temperature
15° 22°

Weather

25 mm
Rainfall
6.2 m/s
Wind
Breezy

December

December is mild with highs of 25°C and lows of 17°C. The driest month with just 7 mm and breezy conditions.

Comfort

21°
Feels Like Mild
21°C
Temperature
17° 25°

Weather

7 mm
Rainfall
6.5 m/s
Wind
Breezy

Nearby Attractions to Garden Island (Western Australia)