As one of Sydney’s most legendary spots, the off-leash park and beach at Sirius Cove Reserve is a slice of paradise for any water-loving dog. This guide is essential for understanding the unique weekday vs. weekend off-leash hours and navigating the famously tricky parking at this beautiful Mosman treasure.
Sirius Cove Reserve : At a Glance
- 🐾 The Vibe: A bustling, idyllic, and very social harbour beach that feels like a mini holiday.
- 🐕 Best For: A fantastic swim and social session, especially for those who can visit on a weekday to avoid the crowds.
- Off-Leash Hours: Unique and strict. All day on weekdays. Weekends & Public Holidays: before 9am & after 4pm.
- Fencing: Completely Unfenced, with open access to the water and surrounding reserve.
- 🅿️ Parking: Extremely difficult. Very limited, paid on-street parking on Sirius Cove Road. Arrive very early or visit mid-week.

Dog Park Features & Amenities
For the Dogs
- Perfect Swimming Beach: The sheltered cove provides beautiful, calm, and shallow harbour water, which is ideal for dogs of all sizes and swimming abilities.
- Shaded Grassy Area: Behind the sand, a lovely, shaded grassy reserve offers a cool spot for a rest and a sniff.
- Water Bubblers & Showers: The reserve is equipped with fresh water bubblers and showers, a fantastic bonus for a post-swim rinse-off.
For the Humans
- Complex Off-Leash Hours: The rules are different for weekdays vs weekends. Weekdays are off-leash all day. On weekends and public holidays, it’s only off-leash before 9am and after 4pm.
- Fantastic Family Facilities: This is a major picnic destination with public toilets, sheltered picnic tables, electric BBQs, and a great children’s playground.
- Bring Your Own Bags: There are no poo bag dispensers provided, so you must bring your own bags to help keep this pristine spot clean. Bins are available.
- No Night Lights: The beach area is not lit, making it a daytime destination.
Insider Tip: Master the Parking Challenge. The parking is famously difficult. On a sunny weekend, finding a spot on the narrow Sirius Cove Road is almost impossible. Arriving at the very start of the off-leash hours (before 7am) or visiting mid-week is your best strategy.
The Final Verdict
Sirius Cove is one of Sydney’s absolute best dog beaches, and for good reason. The stunning scenery, calm water, and fantastic facilities make it an idyllic spot. However, its popularity is also its biggest challenge. If you can navigate the difficult parking and complex hours, especially by visiting on a weekday, you and your dog will be rewarded with a truly perfect day out.
For more official information, visit the Mosman Council website.
Sirius Cove: FAQ
Q: Can my dog be off-leash at Sirius Cove on a Saturday afternoon?
A: Yes, but only after 4 pm. On weekends and public holidays, the park is on-leash only between 9 am and 4 pm.
Q: Is Sirius Cove a good park for dogs that might run off?
A: No. It is a completely unfenced beach and park area. It is only suitable for dogs with a reliable recall command that you can trust around water and crowds.










