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Visit Sub Base Platypus


Free Admission


Open daily from 7am to 9pm

  • Car
  • Bus
  • Ferry
  • Foot

120 High Street, North Sydney, NSW 2060


Google Maps

Formerly a torpedo factory, submarine base and gasworks, Sub Base Platypus is an emerging public domain on the foreshore of North Sydney, homeland of the Cammeraygal People.

Featuring a shaded BBQ area with seating, a pocket playground inspired by the site’s maritime heritage, and a scenic over-water walkway to Kesterton Park, Sub Base Platypus is a place where visitors can enjoy R&R on the waterfront and engage with local history.

See also: Sub Base Platypus Renewal Project

Plan ahead

Getting here arrow

By Ferry: North Sydney Ferry Wharf is just 250 metres from the High Street Entrance to Sub Base Platypus, offering convenience and speedy travel times to Circular Quay on the F5 ferry service via Kirribilli, Kurraba Point and Neutral Bay.

By Train: Both North Sydney and Milsons Point train stations are less than a kilometre’s walk from Sub Base Platypus.

By Bus: Buses run every 20 minutes within 500 metres of Sub base Platypus, along Clark Road. The weekday 269 Bus from McMahons Point to Kirribilli connects with Milsons Point Train Station, and the daily 263 Bus from Cammeray connects to the Sydney CBD.

For public transport information, including timetables, visit the Transport NSW website.


Disruptions arrow

There are currently no disruptions to accessing Georges Heights. Continue to check here and our social media channels for updates.

Parking arrow

We encourage you to travel to Sub Base Platypus by foot, bicycle, ferry, bus or train; however, limited parking is available at our public car park from Monday 24 February 2020. 

  • Location: 120 High Street
  • Hours: 7am and 9pm daily
  • Time limit: Up to a maximum of 3 hours per vehicle, per calendar day. 
  • Pricing: First 2 hours of parking are free. A fee of up to $3.30 applies between 2 and 3 hours parking.
  • Exemption: Mobility Parking Scheme Permits and motorcycles are exempt from parking charges and 3 hour time limit (i.e. no ticket required).
  • Notes: Visitors must obtain and display a parking ticket for the duration of their stay.
Facilities and accessibility arrow

Sub Base Platypus is accessible via Kiara Close and Kesterton Park near the North Sydney Ferry. There is wheelchair access to Sub Base Platypus via Kesterton Park; however, the entrance at Kiara Close includes stairs. The nearest public toilets are located at Kesterton Park.

Emergency and security arrow

Sub base Platypus is patrolled by rangers from 7am to 3pm daily. In the event of an emergency, dial 000 or 112 if mobile reception is poor. To contact a ranger during an emergency, call 0437 049 296 (7am to 3pm).

Visitor guidelines arrow

For your own safety and enjoyment, please observe the following rules, enforceable by our rangers:

Conditions of entry: Do not litter or dump rubbish; do not erect gazebos or marquees (without a permit); do not go fishing; do not operate remote-controlled vehicles (including drones); do not smoke, light fires or use portable barbeques; do not play amplified music (without a permit) or create excessive noise; do not undertake commercial activities (without a permit); do not hold private functions (without a permit); and do not climb walls, fortifications, sculptures or cliffs.

COVID-19 (Coronavirus) arrow

As the situation unfolds, our priority is the health and safety of our visitors, staff and volunteers. Currently, Harbour Trust sites remain open to the public; however, we are monitoring the situation vigilantly.

Full details

Visitor Survey

Complete our survey for a chance to WIN...

Have you visited this destination within the last 12 months? Complete our visitor survey for your chance to WIN one of four $150 food & beverage vouchers, valid at one of our cafés or restaurants on Sydney Harbour (T&Cs apply). 


What to do

Enjoy a barbeque

Take advantage of the shaded BBQ facilities and seating at Sub Base Platypus and invites your friends and family to a sausage sizzle on the waterfront.

Outdoor fun for kids

The pocket playground at Sub base Platypus offers a fun way for kids to engage with the site’s maritime heritage. There is also play equipment at Kesterton Park, accessible via Sub Base Platypus’ over-water walkway.

Embark on a one-of-a-kind odyssey

Feeling ambitious? Embark on the Bondi to Manly Walk, a massive 80km network of public tracks spanning the foreshore between two of Sydney’s most iconic surf beaches. When you reach Sub Base Platypus, take a breather and explore Sydney’s newest waterfront destination.



Sub Base Platypus was formerly HMAS Platypus, an Australian Navy submarine base. The site has also hosted a gasworks, as well as workshops for manufacturing and maintaining torpedoes for use in the Second World War. In May 2018, this once-hidden gem became accessible to the public for the first time in 150 years.

Image caption: Neutral Bay Gasworks viewed from Kurruba Wharf, c 1910 (City of Sydney Archives, Graeme Andrews Collection: 083425)