815/11 Waterside Retreat, Birtinya, QLD 4575 | Unit for sale | OnTheHouse
 
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815/11 Waterside Retreat
Birtinya QLD 4575

Bedrooms: 3
Bathrooms: 2
Car spaces: 2
Land area: 180m2
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Elevated Luxury in Birtinya's Newest Landmark Adress

Presented by Justin Wijaya & Matthew Johnson of Ray White Kawana Waters - Birtinya specialist, Kawana Waters' top-selling agency.
Positioned within the premium and highly anticipated St Clair development, Penthouse 815 delivers an exceptional lifestyle defined by luxury finishes, expansive living spaces, and breathtaking panoramic views. From the sparkling waters of Lake Kawana to the Pacific Ocean, passing ships and the illuminated Caloundra skyline, the outlook is nothing short of spectacular.
A rare offering in Birtinya's newest luxury complex, this brand-new three-bedroom penthouse occupies a prized eighth-floor position and spans an impressive 183m² of sophisticated living. Elevated by high ceilings and generous proportions throughout, every space has been thoughtfully designed to provide the comfort and functionality of a home without compromise.
At the heart of the residence, the open-plan kitchen, living and dining area seamlessly extends onto the expansive entertainer's balcony, creating the perfect setting to host family and friends while taking in the stunning waterfront vista. Designed with practicality in mind, the kitchen was enhanced prior to construction to include an enlarged pantry, dedicated butler's nook and abundant storage, ensuring it caters effortlessly to everyday living.
The master suite is a true retreat, perfectly positioned to capture the morning sunrise across the lake and ocean. Generous in size, it features a walk-in robe and a beautifully appointed ensuite finished to the highest standard. Positioned on the opposite side of the apartment, the two additional bedrooms form a private guest wing, serviced by an equally impressive main bathroom.
Further enhancing the home's appeal is a full-sized laundry - an increasingly rare feature in apartment living - providing the convenience and practicality often sought by downsizers transitioning from larger homes.
Developed by renowned Sunshine Coast builder Habitat, St Clair is arguably one of Birtinya's most architecturally striking residential developments. Residents enjoy access to an exceptional suite of resort-style amenities, including a 25-metre swimming pool with direct access to Lake Kawana Boulevard, over 1,000m² of landscaped parklands complete with BBQ facilities and a fire pit, an exclusive 16-seat private dining room with chef's kitchen, and a spectacular rooftop terrace featuring an outdoor kitchen, sunrise deck and hinterland sunset lounge.
Combining luxury, lifestyle and an unrivalled waterfront setting, Penthouse 815 represents a rare opportunity to secure one of Birtinya's finest residences.
Why you'll love Penthouse 815:
• Prestigious eighth-floor penthouse position capturing sweeping views across Lake Kawana, the Pacific Ocean and the Caloundra skyline
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Property Details for 815/11 Waterside Rtt, Birtinya

815/11 Waterside Rtt, Birtinya is a 3 bedroom, 2 bathroom Unit with 2 parking spaces. The property has a land size of 180m2. The place is currently for sale with Ray White Kawana Waters.

Building Type
Unit
Land Size
180m2
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About Birtinya 4575

The size of Birtinya is approximately 5.3 square kilometres. There are 7 parks, covering nearly 3.6% of the total area. The population of Birtinya in 2016 was 1933 people. By 2021 the population was 4378 showing a population growth of 126.5% in the area during that time. The predominant age group in Birtinya is 20-29 years. Households in Birtinya are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Birtinya work in a professional occupation.In 2021, 34.30% of the homes in Birtinya were owner-occupied compared with 25.50% in 2016.

Birtinya has 2,573 properties. Over the last 5 years, Houses in Birtinya have seen a 51.72% increase in median value, while Units have seen a 83.27% increase. As at 31 July 2026:

  • The median value for Houses in Birtinya is $1,295,295 while the median value for Units is $930,120.
  • Houses have a median rent of $850 while Units have a median rent of $700.
There are currently 27 properties listed for sale, and 17 properties listed for rent in Birtinya on OnTheHouse. According to Cotality's data, 149 properties were sold in the past 12 months in Birtinya.

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Justin Wijaya
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Matthew Johnson
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Ray White Kawana Waters
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