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Discover Lake Constance's quieter Untersee region on a private 2-hour boat tour with watersports, sunbathing, and scenic views—perfect for relaxing water adventures.
A Closer Look at the Lake Constance (Untersee) Waterfun Boattour
If you’re dreaming of exploring Lake Constance beyond the usual tourist spots, this private Waterfun Boattour offers an inviting way to enjoy the lake’s calmer, lesser-known side—Untersee. With a sleek Sea Ray motorboat, professional skipper, and a flexible itinerary, this experience is designed for small groups craving a mix of water adventures and relaxation.
What really makes this tour stand out is its focus on personalized fun: you can waterski, ride a fun tube, swim, or simply lounge in the sun. Its intimate setting means you’ll avoid large crowds, making it ideal for families, friends, or couples seeking a private day on the water.
A small caveat to consider is that the tour is limited to 2 hours, which might feel brief if you want to pack in a full day of activities. Plus, water sports like waterskiing are offered at an extra charge, so budget accordingly if that’s a priority.
This experience suits anyone who loves being on the water, values comfort and safety, and wants a customizable adventure with excellent views. From first-time waterskiers to sunbathers, everyone can tailor the time to suit their mood.
Key Points

If we had to pick one word to describe this tour, it would be “versatile.” Whether you’re after adrenaline-pumping waterskiing, lazy sunbathing, or cooling off with a swim, this private boat ride adapts to your preferences. The calm waters of Untersee, a quieter part of Lake Constance, mean less wind and waves, making it more comfortable for watersports and relaxing float sessions alike.
This tour takes place on a sleek Sea Ray SPXE190, a model that blends comfort and performance. With a 200 PS Mercruiser engine, the boat glides smoothly over the water, giving you a sense of security while still feeling the thrill of speed. The boat’s ample lounge area in the bow is perfect for soaking up the sun, while the stern platform provides easy access for swimming and water fun.
The professional skipper is a highlight — not only are they skilled at navigating the waters, but they also ensure your safety is a priority, making the experience relaxed and worry-free. Many reviews mention how friendly and attentive the skippers are, boosting your confidence whether you’re waterskiing for the first time or just floating around.

The tour begins at the harbor in Gaienhofen-Horn, a charming spot on the Untersee side of Lake Constance. The operator can also arrange pickup from other nearby German or Swiss harbors for an extra surcharge—€25 for other German or Swiss locations and €50 if you want to start from Constance. This flexibility makes it easier to incorporate into your broader travel plans around the lake region.
Fuel is included in the price, so you don’t need to worry about hidden costs for cruising. The tour lasts up to 2 hours, with check-in times depending on availability. It’s worth noting that you should arrive on time to maximize your water fun.
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The package covers the boat ride, a skpper, bottled water, and fuel, making it quite a comprehensive offering for the price. The main extras are water sports like waterskiing and riding a fun tube, costing €50 per hour if you decide to add those on the spot. It’s a good idea to plan for this if you’re eager for more adrenaline, especially since many reviews note how much guests enjoyed trying waterskiing for the first time.
Food and alcohol are not included, but you’re free to bring your own snacks or drinks. There’s no onboard toilet, but optional stops in harbors allow for restroom breaks—something to keep in mind during longer outings.

Once out on the water, the first thing you’ll notice is how tranquil the Untersee feels compared to the busier eastern side of Lake Constance. Many reviewers highlight the peaceful, scenic surroundings — lush hills, small villages, and distant mountains framing your views.
You’ll have the freedom to choose how to spend your time. Some guests loved lounging with a book on the spacious bow, while others eagerly hopped into the water for a swim. Waterskiing, when added, is often described as fun but demanding; some guests found it easier than expected thanks to the professional guidance. One review mentioned, “The skipper was great at coaching us through waterskiing, even as beginners.”
The fun tube is a hit with kids and adults alike, offering laughs and thrills. The boat’s powerful engine ensures you won’t be left behind as you zoom across the water, enjoying the feeling of speed and freedom.

Guests consistently praise the high quality of the boat and the professional service of the skipper, with comments like “the boat was spotless and modern, and the skipper made us feel safe and cared for.” Many highlight the peaceful nature of the Untersee, describing it as a perfect spot for quiet relaxation away from crowds.
One guest noted, “We loved the flexibility — we could spend a whole hour waterskiing, then just float and soak up the sun.” Others appreciated the ease of pickup and drop-off, which added convenience to the overall experience.
A common theme is the value for money — considering the private, tailored nature of the tour and the inclusion of fuel and bottled water, many found the cost of $364 for up to five people to be quite reasonable.

The price might seem steep at first glance, but when you consider the exclusivity, the personalized service, and the range of water activities you can enjoy, it’s actually quite competitive. For a small group seeking a luxurious, custom water experience in Lake Constance’s serene Untersee, it offers excellent value.
This tour especially appeals to those looking for a balanced mix of adventure and relaxation—perfect for families, friends, or couples wanting a private escape. The stunning views, combined with the flexibility to tailor your time on the water, make it a memorable highlight of any lake stay.

If you love being on the water and want a personalized, safe environment, this is a great fit. It’s ideal for small groups who want to avoid large crowds, and those eager for a mix of water sports and just floating in the sun.
Families with children over 3 years will enjoy the floating and swimming options, but keep in mind there’s no onboard toilet—so plan accordingly. People prone to seasickness or vertigo should note the boat’s stability and speed, but generally, the calm waters of Untersee make it suitable for most.
If you’re looking for a relaxed, scenic experience with some fun added in, this tour hits the mark. It’s perfect for those who want a luxury feel at a reasonable price, with plenty of opportunities to customize the day.


Can I bring my own food or drinks?
While food and alcohol are not included, you can bring your own snacks and drinks for the boat ride.
Is there a bathroom onboard?
No, there is no onboard toilet, but you can arrange an optional stop at a harbor for restroom needs.
How many people can join?
The boat accommodates up to 5 guests comfortably, making it perfect for small, private groups.
Can I do waterskiing?
Yes, waterskiing is available but costs an additional €50 per hour, payable on the spot.
What if I want to change the itinerary?
Since it’s a private tour, the skipper is flexible and can adapt the schedule to suit your preferences, whether that’s more watersports or lounging.
Is pickup included?
Yes, pickup from Gaienhofen-Horn is included, with options for other nearby harbors for an extra surcharge.
To sum it up, this Lake Constance Untersee Waterfun Boattour offers a superb way to enjoy the lake’s lesser-known, peaceful side. It’s ideal for small groups seeking a personalized, active, and scenic experience, with plenty of opportunities to relax or get adventurous. The combination of luxury boat quality, flexible itinerary, and stunning views makes it a worthwhile splurge for anyone wanting a memorable day on the water. Whether you’re celebrating, unwinding, or trying watersports for the first time, this tour promises a good mix of fun, comfort, and natural beauty.