Selfoss is a fantastic base for exploring Iceland’s southern wonders. Its central location means you can easily access some of the country’s most iconic sights, but it’s also a hub for unique tours that show off Iceland’s natural power and beauty. From floating between the tectonic plates in crystal-clear waters to enjoying volcanic history, Selfoss offers a variety of experiences that appeal to adventurous spirits and curious minds alike. We especially love the Silfra snorkeling tour, which combines thrill and scenery, and the private south coast tour for those wanting a personalized adventure. If you’re considering which to pick, read on—each offers a different slice of Icelandic magic.
Quick Overview
Our list features three top tours in Selfoss that cater to different interests and budgets. Whether you’re after an adrenaline rush in clear waters, an educational look at volcanoes, or a tailored sightseeing trip along Iceland’s south coast, there’s something here for you. Each experience is carefully reviewed for its highlights, value, and unique appeal, helping you choose the best fit for your trip.
1. Silfra: Snorkeling Tour Between Tectonic Plates
At number 1, the Silfra snorkeling tour is a highlight for anyone wanting a taste of Iceland’s geological drama. This tour takes you into the Silfra Fissure in Þingvellir National Park, where you’ll float between the Eurasian and North American tectonic plates. The water here is famous for its clarity—some of the purest glacial meltwater in the world—offering visibility of over 100 meters. It’s a surreal experience that combines natural beauty with a sense of walking between continents.
The tour lasts from 2.5 to 5 hours, with options for different pickup locations around Reykjavik. It begins with a safety briefing, then a short walk to the fissure, where your guided snorkeling adventure unfolds. You’ll spend 45 minutes in the water, marveling at the vibrant colors of the underwater scenery. Afterward, there’s free time for photos and reflection. Many reviews praise the professionalism of guides like Conrad, and the activity’s unique setting. It’s not just a swim; it’s a dive into Earth’s geological history.
Bottom Line: If you’re seeking a once-in-a-lifetime experience that combines natural beauty, adventure, and science, snorkeling in Silfra is tough to beat. It’s suitable for confident swimmers and those comfortable with guided water activities. Expect to spend around $146, which covers all gear and expert guidance.
2. Volcano Exhibition and Cinema – Lava Centre Iceland
Number 2 on our list is the Lava Centre, an interactive and educational volcano exhibition in the south of Iceland. For just $41, you get insight into Iceland’s most active volcanoes and how they shape the landscape. The center is surrounded by volcanic formations and offers a multimedia experience that includes a cinema showing recent eruptions, like the one in Grindavík, plus live earthquake maps and a simulator.
What sets this apart is its focus on geological processes—from geysers and black sands to colorful mountains—making it perfect for travelers who want to understand the science behind Iceland’s dramatic scenery. The exhibits are well-designed, engaging, and suitable for all ages. Many visitors comment that the Lava Centre exceeded expectations, providing a clear, concise look at Iceland’s volcanic activity.
This tour is ideal if you’re passing through Selfoss and want a quick, informative stop that adds context to your other adventures, like visiting the Blue Lagoon or exploring nearby volcanoes. It’s a great value for those on a budget or with limited time but eager to learn.
Bottom Line: The Lava Centre offers a cost-effective, hands-on lesson in volcanic geology. It’s best for curious travelers and families, or anyone wanting a break from outdoor adventures while still engaging with Iceland’s fiery core.
3. South Coast, Iceland: Day Private Tour
Number 3 features a private guided tour of Iceland’s iconic south coast, perfect for travelers wanting a personalized experience. For $1,648, up to six people can explore at their own pace over approximately 10 hours. The itinerary is flexible but typically includes stops at Seljalandsfoss, where you can walk behind the cascading waterfall, and Skógafoss, famous for its 60-meter drop and rainbows. You’ll also visit the charming town of Vik and the world-famous Reynisfjara Black Sand Beach.
This tour stands out for its customization—your guide can tailor the journey to your interests and pace, making it ideal for families, photo enthusiasts, or those wanting a relaxed day with fewer crowds. The guide’s fluency in both English and Spanish adds a nice touch for travelers seeking language options. Reviews highlight the comfort of the transfer and the depth of the guide’s knowledge about the landscape and history.
Compared to group tours, this private option offers in-depth insights and the freedom to linger at favorite spots. It’s a premium experience, but the personalized service and flexibility make it worth considering.
Bottom Line: If you want a tailored, stress-free day exploring the south coast’s waterfalls, beaches, and scenic vistas, this private tour offers excellent value and comfort—especially for groups or travelers seeking a more intimate experience.
$1,648 per group up to 6
How to Choose the Right Tour
When selecting a tour in Selfoss, consider your budget, time, and interests. If you’re eager for a once-in-a-lifetime adventure and don’t mind getting in the water, the Silfra snorkeling tour is an unmissable experience. For a cost-effective, educational stop, the Lava Centre offers a fascinating look at Iceland’s volcanic activity. And if you prefer a personalized exploration with flexible pacing, the private south coast tour provides a luxurious way to see the highlights without rushing.
Think about how much time you have—if limited, the Lava Centre can fit into a half-day, while the private tour takes most of a day but offers a richer experience. For outdoor enthusiasts, the snorkeling and south coast tours are the most engaging, whereas the Lava Centre suits those who prefer indoor learning.
Booking early is advisable, especially for popular activities like snorkeling, which can fill up quickly. Check availability and plan around Iceland’s unpredictable weather, which can influence outdoor excursions.
Final Thoughts
Selfoss offers a range of memorable tours, from the thrill of floating between tectonic plates to exploring volcanic forces and discovering Iceland’s stunning landscapes in a private guide. For adrenaline lovers, the Silfra snorkel provides a truly unique experience. Nature and science buffs will appreciate the Lava Centre, and travelers seeking a relaxed, customized day should consider the South Coast private tour.
No matter your choice, each of these experiences highlights Iceland’s raw, unspoiled beauty and the incredible forces shaping this island. To make the most of your trip, book your preferred tour early—these adventures are popular and fill up fast. Now, get ready to see Iceland like never before.