St. Clair Island

Welcome to St. Clair Island, a Temperate island in the Coral Sea, part of the majestic Pacific Ocean. This guide offers a comprehensive overview of what makes St. Clair Island unique – from its geography and climate to its population, infrastructure, and beyond. Dive into the details:
- Geography and Size: Explore the island’s size and location.
- Climate and Weather: Weather patterns and temperature.
- Topography and Nature: Uncover the natural wonders of the island.
- Infrastructure and Travelling: Insights on reaching, staying, and making the most of your visit.
- News and Headlines: Latest News.
Geography and size of St. Clair Island
Size: 0.561 km²
Coastline: 3.4 km
Ocean: Pacific Ocean
Sea: Coral Sea
Continent: Oceania
St. Clair Island is a Tiny Island spanning 0.561 km² with a coastline of 3.4 km.
Archipel: –
Tectonic Plate: Australia – A major tectonic plate covering Australia, New Zealand, and parts of the Indian and Pacific Oceans, known for its relative stability and occasional seismic activity.
The geographic heart of the island is pinpointed at these coordinates:
Latitude: -27.66190989 / Longitude: 153.31841225
Climate and weather of St. Clair Island
Climate Zone: Temperate
Climate Details: Humid Subtropical Climate
Temperature: Hot Summer
Climate Characteristics: With continuous rainfall and hot summers, this climate is common in some coastal regions, supporting diverse vegetation.
Topography and nature of St. Clair Island
Timezone: UTC+10:00
Timezone places: Australia/Sydney
Max. Elevation: 3 m
Mean Elevation: 2 m
Vegetation: Herbaceous Cover
Tree Coverage: 2%
The mean elevation is 2 m. The highest elevation on the island reaches approximately 3 meters above sea level. The island is characterized by Plains: Flat, low-lying lands characterized by a maximum elevation of up to 200 meters. On islands, plains are typically coastal lowlands or central flat areas.
Dominating Vegetation: Herbaceous Cover
Comprising mainly of grasses, herbs, and ferns, these areas are common in prairies, meadows, and savannas, and can vary widely in species composition. St. Clair Island has a tree cover of 2 %.
Vegetation: 2 vegetation zones – Low Diversity Island
Islands with two distinct vegetation zones offer slightly more ecological variety. These zones could be due to differences in elevation, moisture, or other environmental factors. While still limited in biodiversity, these islands may offer a contrast between the two zones, such as a coastline with mangroves and an inland area with grassland.
Infrastructure and Travelling to St. Clair Island
Does the island have a public airport? no.
There is no public and scheduled airport on St. Clair Island. The nearest airport is Brisbane International Airport, located 37 km away.
Does the island have a major port? no.
There are no major ports on St. Clair Island. The closest major port is BRISBANE, approximately 38 km away.
The mean population of St. Clair Island is 52 per km². St. Clair Island is Gently Populated. The island belongs to Australia.
Continuing your journey, Russell is the next notable island, situated merely km away.
Australia is classified as Developed region: nonG7: Developed economies outside of the Group of Seven, characterized by high income and advanced economic structures. The level of income is High income: OECD.
News – Latest Updates and Headlines from St. Clair Island
Stay informed with the most recent news and important headlines from St. Clair Island. Here’s a roundup of the latest developments.
- Aussie selectors left red-faced as axed opener shines; Green’s worrying slump continue - Fox Sportsby "australia" - Google News on 31 May 2026
Aussie selectors left red-faced as axed opener shines; Green’s worrying slump continue Fox Sports
- Under-strength Australia undone by debutant in first Pakistan ODI - Australian Broadcasting Corporationby "australia" - Google News on 31 May 2026
Under-strength Australia undone by debutant in first Pakistan ODI Australian Broadcasting Corporation
- Airways New Zealand and Airservices Australia win global award - Asian Aviationby "australia" - Google News on 31 May 2026
Airways New Zealand and Airservices Australia win global award Asian Aviation
- Power play: what to consider when installing a home battery in Australia - The Guardianby "australia" - Google News on 30 May 2026
Power play: what to consider when installing a home battery in Australia The Guardian
- Pakistan ease to victory in first ODI as Arafat Minhas puts Australia in a spin - The Guardianby "australia" - Google News on 30 May 2026
Pakistan ease to victory in first ODI as Arafat Minhas puts Australia in a spin The Guardian
- An industry targeting Australia’s ageing population is growing, but can AI deliver more humanity in aged care? - The Guardianby "australia" - Google News on 30 May 2026
An industry targeting Australia’s ageing population is growing, but can AI deliver more humanity in aged care? The Guardian
- Six-year-old Sienna’s parents have fought the NDIS every year of her life for funding that keeps her alive - The Guardianby "australia" - Google News on 30 May 2026
Six-year-old Sienna’s parents have fought the NDIS every year of her life for funding that keeps her alive The Guardian
- Mexico vs. Australia Livestream: How to Watch the International Friendly Soccer Game Free - CNETby "australia" - Google News on 30 May 2026
Mexico vs. Australia Livestream: How to Watch the International Friendly Soccer Game Free CNET
- Macy Gray to Debut New Album Live for the First Time on Australian Tour - Rolling Stone Australiaby "australia" - Google News on 30 May 2026
Macy Gray to Debut New Album Live for the First Time on Australian Tour Rolling Stone Australia
- Batting collapse turns Peake debut into Pakistani victory pageant - SMH.com.auby "australia" - Google News on 30 May 2026
Batting collapse turns Peake debut into Pakistani victory pageant SMH.com.au
Please note: The data used here has been primarily extracted from satellite readings. Deviations from exact values may occur, particularly regarding the height of elevations and population density. Land area and coastline measurements refer to average values at mean high tide.
