6/3 Raglan St, Mosman is a 4 bedroom, 2 bathroom Apartment with 2 parking spaces. While the property is not currently for sale or for rent, it was last sold in February 2025. There are other 4 bedroom Apartment sold in Mosman in the last 12 months.
Why you'll love it:
A landmark residence known as "The Castle" is ushered to market for the first time in over two decades, this breathtaking penthouse is a true exemplar of harbourfront luxury, offering a remarkable opportunity to embrace a rarefied lifestyle quite unlike anything presented to the Mosman market.
Gracing the top level of a heritage-exterior sandstone building constructed in 1914, it revels in a stunning showcase of timeless elegance blending effortlessly with contemporary luxury across an impressive 534sqm. Sun-drenched interiors wrapped in expansive wall-to-wall sliding windows frame the extraordinary harbour views magnificently and provide the ultimate scenic backdrop to the expansive open-plan living.
With refined modern appointments and lavish accommodation this showpiece residence also has an expansive full-length rooftop. Bathed in a 360-degree panorama stretching from Mosman Bay to the Eastern Suburbs, CBD and beyond this spectacular backdrop becomes even more animated during celebrated events like the New Year's Eve fireworks, Sydney to Hobart yacht race, where sails dot the horizon in a setting of unrivalled splendour. Sharing the iconic building with only five other residences, this prestigious opportunity is steps from the Circular Quay-bound ferries of Mosman South Wharf and moments to Mosman Village.
- Sweeping layout of open plan living and dining flows to wraparound balcony
- Spacious family or media room complete with a home office and built-in desk
- Rooftop terrace reveals stunning selection of sun-washed entertaining zones
- Teppanyaki barbecue setting, open rooftop bathtub, hidden turret kitchenette
- Chic Dekton kitchen, induction cooking, premium Miele appliances, butler's pantry
- Sumptuous main bedroom appointed with walk-in robe and rain shower ensuite complete with heated bathroom floors
- All bedrooms flow to private balcony settings and enjoy plush wool carpets
- Multi-purpose room ideal as a gymnasium, cellar storage or art/yoga studio
- Ducted reverse air conditioning, powder room, laundry, double secure parking
- Common areas include gardens, secret cave, and jetty for exploring the harbour by boat
- Short walk to Mosman Prep, Mosman High School, shops, village eateries
- Central to the stunning surrounds of Balmoral Beach and Clifton Gardens
Best suited for:
Discerning buyers looking to embrace unrivalled luxury, entertaining and eye-watering harbour views in a prestigious address.
The size of Mosman is approximately 8.7 square kilometres. It has 45 parks covering nearly 29.6% of total area. The population of Mosman in 2016 was 28475 people. By 2021 the population was 28329 showing a population decline of 0.5% in the area during that time. The predominant age group in Mosman is 50-59 years. Households in Mosman are primarily couples with children and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Mosman work in a professional occupation.In 2021, 64.10% of the homes in Mosman were owner-occupied compared with 62.80% in 2016.
Mosman has 16,012 properties. Over the last 5 years, Houses in Mosman have seen a 30.04% increase in median value, while Units have seen a 37.05% increase. As at 31 December 2025:
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