Santorini isn’t just about iconic sunsets and stunning caldera views—its waters offer some of Greece’s best snorkeling experiences. The island’s volcanic geology creates rich, diverse underwater scenery, making it a paradise for swimmers and snorkelers alike. Whether you’re interested in exploring sea caves, jumping off cliffs, or enjoying a private cruise, Santorini’s waters deliver authentic and memorable moments. We particularly like the Santorini Fishing Private Cruise for its personalized approach, allowing you to combine fishing with snorkeling in secluded spots [], and the Sea Caves Kayak Trip for its intimate, active exploration of caves and cliffs along the south coast [].
Santorini’s snorkeling tours cater to various tastes—some are private, others group adventures, and some combine kayaking with snorkeling. Most tours include snorkeling gear, water, and sometimes even organic picnics, making for a seamless experience. Scroll down for a detailed look at each top option, including what makes each one special.
1. Santorini Fishing Private Cruise boat tour – BBQ, Snorkeling
Rating: 5.0/5 (324 reviews)
Price: $492.39 per person
Duration: 5 hours (approx.)
Location: Santorini, Greece
For those who want a blend of fishing, snorkeling, and private sailing, this tour hits the mark. This private cruise allows you to leave the crowds behind and explore quieter, less accessible spots along the coast and around the Nea Kameni volcano. The boat comes equipped with all gear needed for fishing and snorkeling, so you don’t need to bring your own equipment. Instead, you’ll enjoy personalized service, with a captain who tailors the day to your interests. The highlight is the chance to catch a big fish or just relax with snacks and drinks while soaking up the views.
Guests consistently praise the personalized experience and the chance to explore areas few other visitors see. One reviewer calls it “more than just a fishing trip,” emphasizing the combination of sightseeing and relaxing in secluded spots. The trip also offers insights into Greek geology and island history, making it both fun and educational.
Bottom line: Ideal for anglers and snorkelers who want exclusivity. Perfect if you seek a flexible, private day on the water with local flavor. The high-cost reflects the exclusivity and tailored service, but reviews confirm it’s well worth the splurge.
2. Santorini: Sea Caves Kayak Trip with Snorkeling and Picnic
Rating: 5/5 (297 reviews)
Price: $152 per person
Duration: 7 hours (check availability for times)
Location: Cyclades, Greece
If you like active exploration, this kayak trip offers a fantastic way to see Santorini’s coastline from a different perspective. Paddle past the sea caves, which turn a brilliant blue when the sunlight hits the water, and explore the volcanic coast near Akrotiri. The tour includes stops to swim, snorkel, and even jump from cliffs at the White Beach. After paddling along the coast, enjoy a picnic with organic local products on a quiet beach.
The route covers iconic sights like the Black Mountain, and the guides are known for their enthusiasm and local knowledge. The snorkeling gear is provided, so you can explore underwater caves and the rocky sea floor. Travelers love the combination of physical activity, scenic scenery, and relaxed beach time with gourmet picnic treats.
One reviewer raved, “This was the greatest kayak trip I ever took,” highlighting the guide’s friendliness and the delicious homemade lunch. The small group size ensures a personalized, intimate experience that feels both adventurous and relaxing.
Bottom line: Perfect for active travelers who enjoy kayaking, snorkeling, and scenic beauty. It’s a longer tour, so suitable for those who don’t mind a full day of outdoor activity, with fantastic photo opportunities and a tasty organic meal.
3. Santorini Adventurous Catamaran Experience with Snorkeling
Rating: 5.0/5 (146 reviews)
Price: $111.64 per person
Duration: 5 hours (approx.)
Location: Santorini, Greece
This catamaran tour combines traditional sailing with snorkeling around Santorini’s caldera. With a group limited to 16, the atmosphere feels personal yet lively. Depart from Vlychada port, and you’ll visit Red and White beaches, both accessible only by boat, which means fewer travelers and more space to snorkel or relax. The boat crosses near the Venetian Lighthouse at Akrotiri, offering stunning photo ops, and passes the Black Mountain as you sail past.
The highlight is swimming in the Santorini Hot Springs, where the thermal waters make for a soothing soak. You’ll also get lunch or dinner with free-flow Santorini white wine and soft drinks, making it a full sensory experience. Whether you choose the morning or sunset cruise, the views are spectacular, and the boat’s vintage charm adds to the feeling of authentic sailing.
People love the relaxed pace and the opportunity to see multiple beaches and volcanic sights in just half a day. The reviews mention “great views,” “friendly skippers,” and “delicious food,” making this experience stand out for those wanting a mix of sightseeing, snorkeling, and good weather.
Bottom line: Excellent for couples or small groups seeking a laid-back, scenic cruise with snorkeling and a delicious meal. It offers flexibility with morning or sunset options, making it suitable for different schedules.
4. Small-Group Santorini Sea Caves Kayak Trip with Snorkeling & Picnic
Rating: 5/5 (79 reviews)
Price: $156.75 per person
Duration: 7 hours (approx.)
Location: Santorini, Greece
If a more intimate experience appeals, this guided kayak trip limits participation to just eight people. It offers an up-close look at sea caves, cliffs, and volcanic formations along the Akrotiri coast. With all gear provided, including snorkeling equipment, dry bags, and sun protection, you’ll be ready for a full day of exploring the waters.
Highlights include snorkeling in caves, cliff jumping at White Beach, and paddling past the Black Mountain lava formations. The small group size encourages camaraderie, and the guide focuses on personal touches, like high-resolution photos of your adventure. The tour has received glowing reviews, with one saying, “This was so fun and just enough of a challenge.”
The organic picnic lunch is homemade, and the emphasis on eco-friendly, sustainable practices makes it attractive for eco-conscious travelers. It’s ideal for those who want active exploration with a personal touch.
Bottom line: Best suited for active travelers who enjoy kayaking and snorkeling with a small, friendly group. It’s a full day that balances adventure with comfort and personal attention.
5. 3-Hour Private Sailing and Snorkeling Adventure from Fira
Rating: 5.0/5 (36 reviews)
Price: $573.20 per group (up to 4 persons)
Duration: 3 hours (approx.)
Location: Santorini, Greece
Looking for a tailored, private experience? This 3-hour sail focuses on intimate discovery of Santorini’s volcanic coastline. It includes a swimming stop at Nea Kameni, a tiny volcanic island, and another at Thirassia. Snorkeling gear is provided, and the tour ends with Greek refreshments, making it perfect for a relaxed, personalized outing.
The boat is well-equipped, and the captain shares insights about volcanic activity and island geology. The shorter duration makes it suitable for travelers with limited time or those wanting a quick yet meaningful escape on the water. Travelers rave about the “wonderful experience,” and the small group ensures a quiet, exclusive vibe.
It’s particularly good for couples or small families who want a private, customizable cruise without the crowds, with the option to combine sightseeing with snorkeling in a manageable time frame.
Bottom line: Excellent for a quick, private getaway that combines snorkeling, scenic views, and personalized service.
6. Serenity Kayak : Sea Caves Kayak Trip with Snorkeling & Picnic
Rating: 5/5 (32 reviews)
Price: $154.76 per person
Duration: 7 hours (approx.)
Location: Santorini, Greece
This serene kayak tour emphasizes a peaceful, nature-focused experience with fewer people—up to eight participants. It features snorkeling, cliff jumping, and exploration of sea caves along the southern coast. Equipment, including snorkeling gear, dry bags, and sun protection, is included, making it an easy, hassle-free day.
The tour provides high-resolution photos as a souvenir, and the organic picnic is a highlight, with many reviewers describing the meal as “superb.” The focus on personalized service and small group size makes it ideal for travelers wanting a quiet, immersive experience.
One reviewer called it “magic,” and many mention the attention to detail, from providing dry tops to personalized service. It’s a balanced adventure suitable for those who want active fun but also enjoy relaxing in nature’s quieter corners.
Bottom line: Perfect for travelers seeking a peaceful, small-group adventure with kayaking, snorkeling, and a gourmet picnic in a less crowded setting.
How to Choose Your Perfect Santorini Snorkeling Experience
When selecting among these options, consider your budget, how much activity you want, and whether you prefer private or group tours. For a luxurious, customizable day, the private cruises (Tour #1) or the 3-hour private sailing (Tour #5) offer tailored experiences. If you’re after active exploration combined with scenery, the kayak trips (Tour #2, Tour #4, Tour #6) provide excellent options. For those craving a classic sailing experience with a social vibe, the catamaran tour (Tour #3) offers stunning views and a laid-back atmosphere.
Practical considerations include your budget—private tours tend to cost more, but offer exclusivity—versus group outings for social fun. Think about fitness level; kayaking involves some paddling, while sailing is more relaxing. Best times to go are in the warmer months from late spring to early fall, when visibility and weather conditions are at their best.
Final Thoughts
Santorini offers a diverse array of snorkeling experiences that suit different preferences, whether you want private luxury, active adventure, or small-group intimacy. The Santorini Fishing Private Cruise is superb for personalized luxury, while the Sea Caves Kayak Trip and Serenity Kayak tours provide active exploration in quieter settings. For a scenic, social sail, the catamaran experience is hard to beat.
No matter which you pick, it’s wise to book early—these tours fill fast, especially in peak season. Whether you’re a water sports enthusiast, a first-time snorkeler, or just looking for a relaxing day on the water, Santorini’s waters won’t disappoint. Now, all that’s left is to choose your adventure and enjoy the clear blue depths of this volcanic island.