ParkFamily Attractions

Sub Base Platypus

North Sydney, New South Wales 2060

WhereNorth Sydney

About

Sub Base Platypus is a Harbour Trust heritage destination at 120 High Street, North Sydney. The former naval site has public spaces for exploring Sydney Harbour’s maritime history, harbour-side walks and a maritime-themed playground. Families can use shaded barbecue facilities, accessible paths and toilets. Entry to the public site is free; paid parking and separately booked guided tours may have different arrangements. Check the Harbour Trust page for access hours, tour details and temporary restrictions before visiting.

Location

120 High Street

North Sydney, New South Wales 2060

Contact

Website

www.harbourtrust.gov.au/our-places/sub-base-platypus/

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Ages 1–18

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Up to age 18

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Nearby Schools

Cameragal Montessori School Head Office

54 High St, North Sydney NSW 2060, Australia

IndependentPrimary+Co-ed

St Aloysius' College - Milsons Point

29 Burton Street, Milsons Point NSW 2061 Australia

IndependentPrimary+Co-ed

Loreto Kirribilli

85 Carabella Street, Kirribilli NSW 2061 Australia

IndependentKinder+Girls

Neutral Bay Public School

Ben Boyd Rd, Neutral Bay NSW 2089

GovernmentKinder+Co-ed

Cameragal Montessori School

Forsyth Park, Montpelier Street, Neutral Bay NSW 2089 Australia

IndependentKinder+Co-ed

Shore School

Blue St, North Sydney NSW 2060, Australia

IndependentCo-ed

Nearby Properties

1 Alfred Street

Sydney, NSW 2000

$26,550,000

332New Apartments / Off The Plan

Lendlease Developments

Address withheld

St Leonards, NSW 2065

$2,824,000

322126 m²Apartment / Unit / Flat

A List Auctioneers Estate Agents

Castlereagh

Sydney, NSW 2000

$2,745,000

220New Apartments / Off The Plan

Cbus Property

1502/116 Bathurst Street

Sydney, NSW 2000

$2,250,000

221116 m²Apartment / Unit / Flat

Ray White Residential Sydney CBD

4005/8 Darling Drive

Sydney, NSW 2000

$12,980,000

442New Apartments / Off The Plan

Mirvac Residential NSW

2608/8 Darling Drive

Sydney, NSW 2000

$6,225,000

321New Apartments / Off The Plan

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4002/8 Darling Drive

Sydney, NSW 2000

$9,020,000

332New Apartments / Off The Plan

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4003/8 Darling Drive

Sydney, NSW 2000

$8,630,000

332New Apartments / Off The Plan

Mirvac Residential NSW

1307/281 Elizabeth Street

Sydney, NSW 2000

$660,000 – $725,000

120Apartment / Unit / Flat

Boutique Property Agents

Explore kids' activities in North Sydney

North Sydney family guide — activities, schools & parks All schools in North Sydney

Local council: Bayside Council (NSW)

See activities, schools & events run by Bayside Council (NSW)

AroundSchools listings · New South Wales · as of 21 Oct 2026

Kids' activities listed in New South Wales: what providers tell you

Of 1,666 activity listings on AroundSchools in New South Wales, 64 (3.8%) state ages, 13 (0.8%) a price and 15 (0.9%) a timetable.

The rest haven't said yet — that doesn't mean they don't suit your child or that they're free. Check with the provider.

AroundSchools listings by activity type

New South Wales · as of 21 Oct 2026 · a listing can be in more than one type

Sports1,246Creative arts268Entertainment242Academic226Music89Health79Other11

Counts of AroundSchools listings, not of children taking part.

Listings that state ages, by age band

64 of 1,666 listings in New South Wales · bands overlap

Ages 3–554Ages 6–957Ages 10–1253Teens 13–1732

A listing for ages 5–10 counts in three bands. For 50 of them the ages come from the provider's website.

Price: 12 show a price, 1 is marked free and 1,653 list no price — no price listed doesn't mean free.

See the numbers

AroundSchools listings · New South Wales · as of 21 Oct 2026
Activity listings	1,666
Sports	1,246
Creative arts	268
Entertainment	242
Academic	226
Music	89
Health	79
Other	11
State ages	64
Ages 3–5	54
Ages 6–9	57
Ages 10–12	53
Teens 13–17	32
Show a price	12
Marked free	1
No price listed	1,653
List a timetable	15

Sub Base Platypus

About

Location

Contact

What's Nearby

Base Music

Professor Pop

Kids French Club in Balmain East

Bonjour Babies (Nicholson St Public School NSW)

Beautiful Minds Australia

Sneaky Music

Entermission Sydney

Silky Shapes Studio

Bays All Stars

Upcoming Events Nearby

Pottery class - Silky Shapes Studio | 17-Mar to 19-Dec-2026 🫙

Storytime at ETC Library - Weekly Tuesdays from Oct 13 until Dec 15

Birthday Parties - AAGI | 1st Jan to 20th Dec-2026

Free Trial - AAGI | 1st Jan to 23rd Dec-2026

Zentangling for Children

Brookvale Halloween Festival 2026

Nearby Schools

Cameragal Montessori School Head Office

St Aloysius' College - Milsons Point

Loreto Kirribilli

Neutral Bay Public School

Cameragal Montessori School

Shore School

Nearby Properties

1 Alfred Street

Address withheld

Castlereagh

1502/116 Bathurst Street

4005/8 Darling Drive

2608/8 Darling Drive

4002/8 Darling Drive

4003/8 Darling Drive

1307/281 Elizabeth Street

Get park updates near North Sydney

Explore kids' activities in North Sydney

Local council: Bayside Council (NSW)

Kids' activities listed in New South Wales: what providers tell you

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