Penzance isn’t just a charming seaside town; it’s a hub for marine adventures and outdoor experiences that bring you face-to-face with Cornwall’s stunning coast and wildlife. Whether you’re eager to spot dolphins from a high-speed RIB, enjoy a relaxing boat trip, or snorkel alongside seals, Penzance offers something for every nature lover. We especially love the Cornwall wildlife watching RIB tour for its close encounters with marine life in Mounts Bay — it’s fast, fun, and packed with sightings.
If you’re after a shorter, family-friendly trip, the Mounts Bay boat trip is perfect, offering a chance to see species like dolphins and seals while exploring the coast. For those seeking a more immersive experience, the Swim and Snorkel with Seals combines underwater discovery with wildlife spotting, making it ideal for adventurous travelers. All three tours highlight Cornwall’s rich marine environment, making Penzance a top destination for sea lovers.
1. Cornwall: 2 hour Wildlife Watching RIB Tour

At number one, the Cornwall: 2 hour Wildlife Watching RIB Tour stands out for its ability to deliver close-up wildlife sightings in a short amount of time. Using a 7-meter RHIB, you cruise through Mounts Bay, which is famous for its diverse marine population. This tour is rated 4.9 out of 5, thanks to its lively encounters with dolphins, porpoises, seals, whales, sunfish, and a variety of seabirds. The guides are seasoned experts who help you spot and identify wildlife, making it informative as well as exciting.
One of the biggest draws is the 360-degree ocean view, allowing travelers to scan all directions for wildlife, even while staying warm and dry thanks to provided waterproofs and layers. The tour offers a scenic look at the dramatic coast of Mounts Bay and its quaint fishing hamlets. Because of the shorter duration, it’s perfect for those with limited time but who still want a memorable marine experience.
The tour’s reviews highlight how engaging and knowledgeable the guides are, with many travelers noting they saw dolphins right near the boat. It’s a great choice for adventure-seekers and families wanting a safe, fast-paced wildlife experience.
Bottom line: If quick, high-energy wildlife encounters are your thing, this RIB tour offers excellent value and unforgettable views.
2. Mounts Bay, Penzance Boat Trip

Second on our list is the Mounts Bay, Penzance Boat Trip, rated 5 out of 5 by travelers for its relaxing, scenic journey across the bay. This one-hour trip is a fantastic way to get a taste of Cornwall’s marine life without straying too far from land. The boat glides out from Penzance Harbour, and your guide, with a degree in zoology or marine biology, makes the experience both educational and enjoyable.
What makes this tour special is its versatility. Depending on the day, you might visit the famous St. Michael’s Mount or the Minack Theatre, both iconic landmarks visible from the water. Along the way, you’ll have excellent chances to see dolphins and seals, and the guides share fascinating insights into Cornwall’s marine ecosystem.
The reviews mention how knowledgeable and friendly the guides are, making the trip suitable for all ages. The boat’s stability and short duration make it an ideal introduction for those new to boat trips or traveling with children. It’s a relaxed, scenic outing that combines wildlife spotting with sightseeing.
Bottom line: For a short, informative cruise that mixes wildlife with local sights, this boat trip offers great value and a memorable experience.
3. Swim and Snorkel with Seals. Boat Trip Penzance Cornwall

The Swim and Snorkel with Seals adventure ranks as a standout for those eager to get in the water and see marine life up close and personal. Priced at $128 per person and lasting around three hours, this trip takes you to some of Cornwall’s most remote spots, where grey seals thrive in their natural environment. You’ll be guided by experts who help you spot wildlife and ensure your safety in the water.
During this tour, you’ll have the chance to snorkel in clear waters, observing marine life like dolphins, porpoises, whales, sunfish, and lots of seabirds. The boat itself is a 7-meter RHIB, providing a stable platform for both cruising and snorkeling. Along the way, you might also see dolphins on the journey to the snorkel site, adding to the thrill.
Many reviewers praise the expertise of the guides, especially their knowledge of marine animals. This trip is best suited for confident swimmers and those comfortable in the water, looking for an immersive experience rather than a quick glance. The remote locations mean fewer crowds, so you get a more authentic connection to Cornwall’s underwater world.
Bottom line: If you’re a confident swimmer and want to experience Cornwall’s marine life beneath the waves, this snorkel trip offers a rich, hands-on adventure.
How to Choose Your Penzance Marine Experience
When deciding between these tours, consider your budget, time availability, and what kind of experience appeals most. If you’re after a quick but lively wildlife encounter, the Cornwall wildlife watching RIB tour is ideal. For a more relaxed, scenic cruise with historical sights, the Mounts Bay boat trip fits the bill. And if you’re eager to get in the water and observe marine creatures directly, the Seal snorkeling trip offers the most immersive experience.
Think about your fitness level and comfort in the water—snorkeling requires confidence, while the RIB tours are more about sightseeing. Booking early is always wise, especially in peak summer months, to secure your preferred time slot.
Final Thoughts
Penzance offers a variety of marine tours that cater to different interests and activity levels. For those who want an energetic wildlife adventure, the Cornwall wildlife watching RIB is a hit. If you prefer a scenic, educational cruise, the Mounts Bay boat trip delivers on both counts. And for the adventurous who want to snorkel alongside seals, the Seal snorkel trip provides a rare, close-up experience with Cornwall’s underwater life.
Each of these options offers a glimpse into Cornwall’s rich marine environment — choosing the right one depends on how hands-on you want your experience to be and how much time you have. No matter which you pick, booking ahead ensures you’ll have a spot for these unforgettable adventures.