Sky-high sanctuaries: Mirvac unveils The Aerus sub-penthouses at Trielle

At Yarra’s Edge, Mirvac’s newest tower under construction, Trielle, sets a new benchmark for elevated living. Rising 45 storeys, 12.5 metres from the Yarra River, the landmark building offers residents access to a private wellness retreat and spa, a resident-only golf simulator, and an elegant lounge, dining and bar complete with a self-playing piano, all without ever having to leave home.

Now, that sense of elevation has reached new heights with the Aerus Sub-Penthouses, a limited release of half-floor riverfront residences on the Collins St axis where the sought-after street meets the Yarra River.

Each Aerus Sub-Penthouse, located across levels 42 and 43, represents the most expansive offering within Trielle, aside from the yet-to-be-revealed crowning penthouses. Spanning between 269 and 301 sqm, these residences are designed to capture natural light and uninterrupted views of the city skyline, Yarra River, and Port Phillip Bay.

Among the collection are three-bedroom sub penthouses, complemented by a media room, and expansive four-bedroom layouts. All include panoramic living areas and oversized master suites with luxury ensuites reminiscent of a five-star hotel, complemented by dedicated dressing rooms finished in timber and natural stone.

The interiors have been crafted by Mirvac Design, the developer’s award-winning in-house architecture and design team. Every material has been chosen for quality and longevity, from sculpted stone island benches with feature soft wash LED lighting to bespoke joinery and chevron timber oak flooring.

Kitchens are fitted with a BORA induction cooktop with integrated downdraft extractor, alongside Gaggenau appliances, including a fridge, freezer, and wine fridge. The adjoining butler’s pantry incorporates the exclusive Gaggenau Minimalistic Series including oven, steam oven, microwave, coffee machine and warming drawer, all concealed behind handleless glass panels for a clean, integrated presentation. Bathrooms feature custom Apaisar freestanding baths and basins and natural stone benchtops, continuing Mirvac’s design emphasis on tactile, timeless materials. 

Michael Wiener, Design Director at Mirvac, says The Aerus Sub-Penthouse embodies the apex of Mirvac’s design ethos.

“Moving through your home is like walking on air - a private sanctuary where the craftsmanship is refined, the proportions generous, and the flow so effortless, you feel completely at ease in the sky,” Wiener says.

“In Aerus, we wanted to create a sense of weightlessness - a home that feels suspended in the skyline, full of light, grounded in luxury.”

The Aerus Sub-Penthouses are expected to attract a mix of local and international buyers seeking a long-term residence of scale and quality in a riverfront setting, from returning expats to established families and business owners who value privacy, craftsmanship, and convenience within walking distance of the CBD.

With an unmatched suite of amenities, Trielle is the most extensively appointed development Mirvac has created to date at Yarra’s Edge. Within the tower will be The Oasis, a 900 sqm podium rooftop wellness retreat designed in collaboration with spa expert Naomi Gregory. Located seven storeys above the Yarra River promenade, it features a 25-metre lap pool, spa and sauna, hot magnesium spa, biophilic gym, yoga and Pilates studio, cold-pail contrast treatment, and day spa treatment rooms. Further amenities include a piano lounge, bookable dining room, cinema room, golf simulator studio, games room, teppanyaki bar, dog wash bay, and two flexible work hubs, The Biblioteca library and Mills Place office space, catering to residents’ evolving lifestyle needs.

Construction of the $350 million tower is underway through Mirvac’s in-house construction arm, with completion anticipated for mid-2027.