18 Mainsail Avenue, St Huberts Island, NSW 2257 | Property Value & History | OnTheHouse
 
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18 Mainsail Avenue
St Huberts Island NSW 2257

Bedrooms: 4
Bathrooms: 3
Car spaces: 2
Floor area: 230m2
Land area: 688m2
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Last updated 8 Dec 2025
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Property Details for 18 Mainsail Ave, St Huberts Island

18 Mainsail Ave, St Huberts Island is a 4 bedroom, 3 bathroom House with 2 parking spaces and was built in 1985. The property has a land size of 688m2 and floor size of 230m2. While the property is not currently for sale or for rent, it was last sold in November 2022.

Building Type
House
Year Built
1985
Floor Size
230m2
Land Size
688m2
Local Government
Central Coast
Lot/Plan
30/DP241441

Last Listing description (July 2025)

Presenting 18 Mainsail Avenue, St Huberts Island this property has been a part-time residence for the owners for its entire lifetime. The property was one of the first purchased on the Island 47 years ago so you're certain it's in a great spot with a sought-after outlook! The low mileage shows through, and this is a perfect example of a custom-built family retreat that offers boundless opportunities.

The entire downstairs of the property is dedicated to living space, comprising two living areas, a formal and informal dining area, bathroom, slow combustion fireplace, and bar. Just imagine sitting around on Christmas Eve watching the sunset bounce off the water as you enjoy this waterfront family home.

Sunday mornings are filled with paddleboarding and fishing on the flat waters or launch the boat and take a tour of magnificent Brisbane Water and National Park.

Features include:

- 4 generously sized bedrooms, all with built-in robes
- Master bedroom features a large walk-in robe and huge en suite
- Well proportioned kitchen with breakfast bar and water views
- Multiple living and dining areas
- Upstairs office/study
- Recently repiered seawall
- Timber panelling ready for the Hamptons style transformation
- Huge double garage with enough room for 2 family cars and all the bikes and boards
- Low maintenance established gardens and soft grassy green lawns
- Sunny front courtyard - perfect for reading as the winter sun warms
- Option to install a pontoon jetty (STA)

Disclaimer: The information and illustrations contained in this advertisement are indicative only and is not to be construed as advice, a recommendation or an offer for the sale of property. All interested parties are directed to rely on their own enquiries and consult their professional adviser for the accuracy of all the aspects of the information.

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Property History for 18 Mainsail Ave, St Huberts Island, NSW 2257

A timeline of how this property has performed in the market
Last Sold
$2,000,000
17 Nov 2022
  • 17 Nov 2022
    Sold for $2,000,000
  • 29 Sep 2022
    Listed for Sale $2,000,000
  • 20 Mar 2017
    Sold
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About St Huberts Island 2257

The size of St Huberts Island is approximately 2.7 square kilometres. It has 8 parks covering nearly 24.9% of total area. The population of St Huberts Island in 2016 was 1058 people. By 2021 the population was 1080 showing a population growth of 2.1% in the area during that time. The predominant age group in St Huberts Island is 70-79 years. Households in St Huberts Island are primarily childless couples and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in St Huberts Island work in a professional occupation.In 2021, 87.30% of the homes in St Huberts Island were owner-occupied compared with 85.90% in 2016.

St Huberts Island has 560 properties. Over the last 5 years, Houses in St Huberts Island have seen a 49.67% increase in median value, while Units have seen a 41.26% increase. As at 30 November 2025:

  • The median value for Houses in St Huberts Island is $1,598,069 while the median value for Units is $889,031.
  • Houses have a median rent of $850.
There are currently 21 properties listed for sale, and no properties listed for rent in St huberts island on OnTheHouse. According to Cotality's data, 23 properties were sold in the past 12 months in St huberts island.

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Cotality Copyright and Legal Disclaimers about Property Data

© Copyright 2025. RP Data Pty Ltd trading as Cotality (Cotality). All rights reserved. No reproduction, distribution, or transmission of the copyrighted materials is permitted. The information is deemed reliable but not guaranteed.

Disclaimer
The Cotality Data provided in this publication is of a general nature and should not be construed as specific advice or relied upon in lieu of appropriate professional advice.

While Cotality uses commercially reasonable efforts to ensure the Cotality Data is current, Cotality does not warrant the accuracy, currency or completeness of the Cotality Data and to the full extent permitted by law excludes all loss or damage howsoever arising (including through negligence) in connection with the Cotality Data.

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