You do not need a scuba certification to explore the underwater world of the Amalfi Coast. Some of the most spectacular marine life in the Mediterranean lives within a metre of the surface — in the Posidonia meadows, rocky coves, and limestone caves of the Punta Campanella Marine Protected Area. All you need is a mask, a snorkel, and a boat to reach the right spots. This guide covers the best snorkeling locations, what you will see, and how to make the most of your time in the water.
Why the Amalfi Coast for Snorkeling
The coastline between Sorrento and Amalfi benefits from a rare combination of factors that make it ideal for snorkeling. The Punta Campanella Marine Protected Area, established in 1997, restricts fishing and boat traffic, allowing marine populations to flourish. The limestone geology creates dramatic underwater topography — cliffs, caves, arches, and boulders — starting right at the waterline. And the absence of major rivers means the water stays extraordinarily clear, with visibility often exceeding 20 metres even at the surface.
Over 260 species of fish have been documented in the MPA, along with octopus, seahorses, sea stars, moray eels, and meadows of Posidonia oceanica — the seagrass that produces more oxygen per square metre than the Amazon rainforest. Many of these species are visible in water as shallow as two metres.
Bay of Ieranto
The jewel of the Punta Campanella area and a WWF nature reserve since 1986. The Bay of Ieranto faces Capri across a narrow strait, and its turquoise water is so clear that you can see the bottom at six metres without even putting your face in. The bay is sheltered from prevailing winds, making it calm even when the open sea is choppy.
Snorkeling here you will drift over Posidonia meadows teeming with wrasse, damselfish, and ornate wrasse. Sea turtles — loggerheads migrating between feeding grounds — have been spotted in the bay in recent summers. Along the rocky edges, look for octopus hunting in the shallows and starfish clinging to the boulders. The bay is accessible only by boat or a 40-minute hiking trail from Nerano, which keeps it uncrowded even in August.
Cala di Mitigliano
A rocky cove on the southern flank of the peninsula, directly facing Capri. Cala di Mitigliano is surrounded by cliffs that plunge straight into deep water, but the cove itself has a sheltered area with a pebble bottom at 2–4 metres depth — perfect for snorkeling. The Posidonia meadows here are among the healthiest on the coast, and they harbour one of the area's most sought-after residents: the Mediterranean seahorse (Hippocampus hippocampus).
Keep your movements slow and look carefully among the seagrass blades — seahorses grip the stems with their tails and sway gently with the current, perfectly camouflaged. You may also spot cuttlefish hovering above the sand, changing colour as they hunt. The cove faces south, so it gets sunlight all day — ideal for underwater photography.
Li Galli Islands
Three small islands — Gallo Lungo, La Rotonda, and La Castelluccia — sit between Positano and Capri. In Greek mythology, this is where the Sirens sang to lure Odysseus. In the 20th century, the islands were owned by the ballet dancer Rudolf Nureyev. Today they are uninhabited and surrounded by some of the richest water on the coast.
The channels between the islands create currents that attract larger fish — you may see schools of amberjack, barracuda, and occasionally a tuna. The rocky perimeter drops to 8–10 metres and is encrusted with sea fans, sponges, and colourful algae. Snorkeling here is best on calm days, as the currents can be strong. Your guide will choose the sheltered side based on wind direction. Li Galli is included on most half-day snorkeling tours from Sorrento.
Punta Campanella Promontory
The very tip of the Sorrentine Peninsula, where the remains of a Roman Temple to Athena sit on the cliff above and a reef system extends underwater below. The limestone here is riddled with small caves and overhangs at depths of 1–5 metres — perfect for snorkelers to explore without diving equipment.
Look for yellow sponges, red sea stars, and the bright blue tentacles of tube worms that retract the moment you pass overhead. Damselfish are fearless here and will swim right up to your mask. In the crevices, moray eels peer out with their mouths open — they look alarming but are harmless unless provoked. The promontory is exposed to open sea, so conditions must be calm. Your skipper will always have a backup location ready.
The Sunset Snorkeling Experience
One of the most memorable ways to snorkel the Amalfi Coast is as the sun goes down. The sunset snorkeling tour from Sorrento departs in the late afternoon and takes you to a sheltered bay on the southern coast. As the light fades, underwater torches are distributed to the group, and a different world reveals itself.
Nocturnal species emerge from their daytime hiding places: octopus leave their dens to hunt across the reef, sleeping parrotfish wedge themselves into crevices, and shrimp eyes glow red in the torchlight. If conditions are right, you may witness the bioluminescence of dinoflagellates — tiny plankton that flash blue when disturbed, turning every movement of your hand into a trail of underwater sparks. It is an experience that stays with you.
Guided by Marine Biologists
All BlueKeys snorkeling tours are led by marine biologists from the Punta Campanella Diving centre. This is not just a safety measure — it transforms the experience. Your guide identifies every species you encounter, explains the ecology of the Posidonia meadows, points out details you would otherwise miss (the eggs of a cuttlefish on a seagrass blade, the cleaning station where small fish pick parasites off a grouper), and ensures the group moves at a pace that lets everyone enjoy the water.
For photographers, the guides know exactly where to find the most photogenic subjects and can help position you for the best shots. They also carry a species identification card that you can review on the boat between snorkeling stops.
What to Bring and Practical Tips
- Equipment: Mask, snorkel, fins, and a wetsuit top are provided on all guided tours. If you have your own mask that fits well, bring it — a good seal makes all the difference.
- Sunscreen: Apply reef-safe sunscreen (mineral, not chemical) at least 30 minutes before entering the water. The MPA requests this to protect the marine environment.
- Seasickness: The boat ride to snorkeling sites takes 15–25 minutes. If you are prone to motion sickness, take medication before departure.
- Swimwear: Wear your swimsuit under your clothes. Changing facilities are not available on the boat.
- Towel and warm layer: Bring a towel and a light jacket for the return trip. Even in summer, the wind on the boat can feel cool after a long snorkel.
- Waterproof phone case: Highly recommended for photos. GoPro rentals are also available at the dive centre.
- Water and snacks: Provided on the boat, but bring extra water if you tend to drink a lot in the sun.
Family-Friendly Options
Snorkeling is one of the best water activities for families with children. The afternoon snorkeling tour is specifically designed for a relaxed pace — it visits calm, sheltered bays and the marine biologist guide is experienced with young snorkelers. Children from age 6 can participate (they must be comfortable in the water). Younger children can stay on the boat with a parent and enjoy the views while the rest of the group snorkels.
The afternoon tour departs at 14:30 from Marina Grande and returns by 17:30. It includes two snorkeling stops and a swim break in a bay with sandy bottom — perfect for younger children to splash around safely.
Book Your Snorkeling Tour
BlueKeys offers three snorkeling options from Sorrento, each with marine biologist guides, full equipment, and boat transport to the best spots in the marine protected area. Browse all snorkeling tours or get in touch for help choosing the right experience for your group.
Explore the underwater Amalfi Coast
Join a half-day snorkeling tour, try the unforgettable sunset snorkeling experience, or book a relaxed family-friendly afternoon tour — all with marine biologist guides and full equipment included.
