We partner with Rewilding Britain to help protect our natural spaces for future adventures.
All centres are vetted for safety and quality. Your adventure is in good hands with adventuro.







Discover the underwater world off Negombo on a guided snorkelling tour through calm coastal waters. Explore coral patches, tropical fish and lagoon channels with an expert team who provide full equipment and safety guidance throughout.
Meet at the agreed meeting point for a safety briefing and equipment fitting. Your guide checks your mask, snorkel and fins before explaining how to use each piece of kit and enter the water safely.
On the water you follow your guide through selected snorkelling sites suited to the group's experience level. First-timers receive close support while exploring shallow areas; those with prior experience can cover more ground with guide supervision. The session ends back at the meeting point with equipment return.
Negombo sits on Sri Lanka's west coast, a short drive from Bandaranaike International Airport. Coastal waters and lagoon channels offer accessible snorkelling sites with a mix of reef life and tropical fish throughout much of the year.
The area is known for its fishing heritage and canal networks, and the coastal setting provides a convenient base for a half-day underwater adventure without travelling far from the airport or beach town.
No prior snorkelling experience is required, but participants must follow guide instructions and be comfortable wearing a mask and snorkel in open water. Basic swimming ability is recommended.
The minimum age is 8 years and a valid passport must be carried. All minors must be accompanied by a responsible adult on the day.
Local guides know the best snorkelling sites for the conditions on the day and stay close to the group throughout the session.
All equipment is provided and checked before you enter the water, so first-time snorkellers can focus on enjoying the marine life rather than sourcing their own kit.
No prior snorkelling experience is required. Guides provide a full safety briefing and show you how to fit and use mask, snorkel and fins before entering the water.
First-timers receive close support in shallow areas while exploring coral and fish. Those with previous experience can cover more ground with guide supervision throughout the session.
The booked activity includes around 3 hours from briefing to equipment return, with snorkelling time at selected coastal sites during the session.
Allow the full duration from arrival at the meeting point, as travel between sites and briefing time are included in the overall schedule.
Yes, participants must be at least 8 years old to join a guided snorkelling tour. This minimum reflects equipment sizing and the physical demands of swimming with a snorkel in open water.
All minors must be accompanied by a responsible adult on the day. Younger children cannot participate unless the operator confirms otherwise after booking.
A valid passport or government-issued photo ID must be carried and shown when requested by the operator or local authorities. This is a standard requirement for water activities in the area.
Keep your passport in a waterproof pouch if you bring it to the meeting point. A photocopy may not be accepted, so bring the original document.
The meeting point is in Negombo, with exact instructions and arrival time sent after booking. The precise location and any boat access details are confirmed in your confirmation email.
Allow extra travel time during peak season and aim to arrive at least 15 minutes before your scheduled start. Parking and local transport options vary, so plan accordingly.
Yes, snorkelling depends on calm seas, good visibility and safe water conditions. Sessions may be rescheduled or cancelled if weather makes snorkelling unsafe or visibility poor.
If the operator cancels due to bad weather or insufficient participants, a full refund or rebooking is offered according to the cancellation policy stated in your confirmation.
Yes, groups from 1 to 8 participants can be accommodated on this guided snorkelling tour. Each person books individually through the platform.
For larger groups or special arrangements, contact the operator after booking to confirm guide numbers and site selection. Smaller groups allow more individual attention in the water.
Wear swimwear suitable for active water sports and bring a towel, sun protection and a change of clothes for after the session. Reef-safe sunscreen is recommended to protect marine life.
Bring your passport in a waterproof pouch and a reusable water bottle. Leave valuables on shore or in a secure dry bag at the meeting point.
Yes, sessions are designed for first-time snorkellers with professional guides coaching you throughout. Life jackets are available and the guide stays close while you explore shallow areas.
Guides explain how to clear your mask, breathe through the snorkel and float comfortably on the surface. Sites are selected to match the group's experience level on the day.
Free cancellation is available up to 24 hours before the scheduled start time. Cancellations made within 24 hours of the activity are non-refundable.
If the operator cancels due to bad weather or insufficient participants, you receive a full refund. Check your confirmation email for the exact start time used for the policy.

About the centre
Negombo
Operated by ZRI Adventures, a partner of adventuro.