Shelly Beach is a sheltered cove just around the headland from Manly's surf, and it is one of the best places in Sydney to see marine life from the surface. This small-group tour, limited to eight people, pairs about an hour of guided snorkelling with a thirty-minute walk on the headland, led by a local guide from an eco-tourism operator. The snorkelling takes place in a protected marine area where fish gather around rocky reefs and kelp, and the guide helps you find and identify what you see. Equipment is included: mask, fins and a foam float, plus your choice of a full wetsuit, a short suit or a rash shirt, which matters because Sydney's water is cool for much of the year. After you come out of the water the group goes on a headland walk, with binoculars provided, to learn about the plants, birds and coastal ecology around Shelly Beach. Morning and afternoon departures are available, and the tour takes about two and a half hours from start to finish, meeting on the sand in front of the beach cafe.
What it is like
Shelly Beach feels removed from the bustle of Manly's Corso and the ocean beach, with gentle water, clear conditions on good days and a ring of bushland above the sand. Snorkelling here is about quiet observation rather than adrenaline, and the guide's role is to point out species and behaviour you would otherwise swim past.
Visibility varies with swell and season, and the guide chooses where to go based on the day, so keep expectations flexible. The headland walk adds context and is a pleasant change of pace after the water, particularly for visitors who like understanding the landscape they are in.
Requirements and preparation
This is not a tour for non-swimmers. Before you go in you must pass a swim test, which involves swimming 150 metres unassisted, floating and treading water, and you should be at a moderate level of fitness. The experience is not suitable for pregnant travellers or for people with heart problems or other serious medical conditions, and children must be accompanied by an adult.
Complete the online waiver at least a day before the tour. Bring swimwear, sunscreen, a hat, a towel and closed-toe shoes for the walk, arrive five to ten minutes early at 1 Marine Parade, and be ready to look for the staff and flag near the beach cafe.
Practicals and fit
The tour suits confident swimmers who want a gentle, educational introduction to Sydney's underwater life, couples and friends looking for something beyond the usual beach day, and nature-minded families with older children. It combines well with a ferry ride from Circular Quay to Manly, lunch on the Corso and a walk around the headland afterwards.
The small group size keeps it personal, and a full refund is available if you cancel up to 24 hours ahead. If you want waves and sand rather than fish and kelp, take a surf lesson instead; if you want both, spend a day in Manly and do the snorkel in the morning.
What to expect
The experience
A guided snorkel of about an hour at Shelly Beach, followed by a thirty-minute headland eco walk, in a group of up to eight.
Best time
Morning or afternoon departures are both offered; calm, clear days give the best underwater visibility.
How long
About two and a half hours from meeting point to finish.
Tips
You must pass a swim test, so confirm you are comfortable swimming 150 metres. Bring swimwear, sunscreen, a hat, a towel and closed-toe shoes.
Quick picks
- Best for
- Confident swimmers who want to see Sydney marine life and learn about the coastal ecology.
- Families
- Suitable for older children who swim well and are accompanied by an adult; not for young or non-swimmers.
- Couples
- A shared nature experience, followed by lunch in Manly.
- Pair with
- The Manly ferry, the Spit to Manly walk and a stroll along the Corso.
- Time needed
- Half a day including the ferry from Circular Quay.
Good questions
Where does the tour start?+
It meets at Shelly Beach, 1 Marine Parade, Manly, on the sand in front of the beach cafe. Look for the staff and flag, and arrive five to ten minutes early.
What equipment is included?+
Mask, fins, a foam float and your choice of full wetsuit, short suit or rash shirt are provided, plus binoculars for the walk. Bring swimwear and a towel.
Do I need to be a strong swimmer?+
Yes. You need to swim 150 metres unassisted, float and tread water, and the guides run a swim test before the tour. Non-swimmers cannot join.
How big are the groups?+
The group is limited to eight travellers, which keeps the experience personal.
Is it suitable for everyone?+
Moderate fitness is required, and it is not suitable for pregnant travellers or for people with heart problems or other serious medical conditions. Children must be accompanied by an adult.






