As pool owners look to simplify maintenance, robotic pool cleaners like the Dolphin Cayman vs Dolphin Nautilus CC Plus WiFi emerge as two of the most talked-about choices. While both are manufactured by Maytronics, they target different user needs — from compact efficiency to smart-enabled heavy-duty performance. In this detailed guide, we’ll analyze both cleaners across all critical aspects to help you make the most informed purchase decision.
Contents
Differences Between Dolphin Cayman vs Dolphin Nautilus CC Plus
Below is a summary of the specifications:
Design Comparison
The Dolphin Cayman is optimized for simplicity and ease of use. Weighing just 14 pounds, it’s ideal for users who prefer a lightweight unit that’s easy to lift, carry, and store. Its minimalistic rectangular frame allows for smooth handling and access in smaller backyard pools, especially those with limited deck space.
The Nautilus CC Plus WiFi, in contrast, is designed for performance in larger in-ground pools. It weighs 19 pounds, which makes it more robust but also slightly more cumbersome to manage. However, the inclusion of a 60-foot swivel cable ensures it can navigate expansive pools without tangling — something the Cayman’s 50-foot non-swivel cable occasionally struggles with.
Both units include integrated carrying handles, but the Cayman’s lower weight makes it far easier for single-person transport. When it comes to overall durability and reach, though, the Nautilus CC Plus WiFi is clearly built for more demanding pool environments.
Winner: Dolphin Nautilus CC Plus WiFi
With a longer swivel cable and more rugged build, it is better suited for large in-ground pools and demanding cleaning tasks.

Cleaning Performance Comparison
The Dolphin Cayman uses a HyperBrush™ active scrubbing system, which rotates at twice the speed of conventional brushes. This makes it extremely effective at removing algae and fine dirt from pool floors and walls. While it does not provide full waterline scrubbing, it climbs walls and scrubs them well enough for most small pool needs. Its suction rate of 4,000 GPH and 2-hour cycle time make it efficient for pools under 33 feet.
The Dolphin Nautilus CC Plus WiFi features dual active brushes, which offer greater surface contact and stronger agitation. Combined with a higher suction rate of 4,500 GPH, it clears debris more quickly and efficiently — especially in larger or messier pools. The Nautilus also benefits from a dual-layer filtration system, which separates large leaves from fine debris in a single run.
Both robots clean floors and walls well, but the Nautilus CC Plus WiFi’s cleaning reach, faster flow rate, and better filtration result in more thorough pool maintenance overall.
Winner: Dolphin Nautilus CC Plus WiFi
Its dual-brush system, superior filtration, and higher suction capacity make it a more capable cleaner, particularly for larger and debris-heavy pools.

Feature Comparison
The Dolphin Cayman is a no-frills, plug-and-play cleaner. It relies on SmartNav 2.0 navigation, which uses onboard sensors to map and clean efficiently. While it lacks remote scheduling, app control, or customization options, its straightforward usability makes it perfect for users who just want to plug in and go.
On the other hand, the Dolphin Nautilus CC Plus WiFi is part of the newer generation of smart robotic cleaners. It features CleverClean™ path optimization and connects to the MyDolphin™ Plus App via Wi-Fi. Through the app, users can start and stop cleaning cycles remotely, create schedules, and receive maintenance alerts — all from their smartphone.
Filter access is top-loading on both models, but the Nautilus CC Plus WiFi uses a dual-filter tray that separates large and fine debris for improved cleaning performance. The Cayman’s single basket is easier to clean but may require more frequent emptying depending on debris type.
Winner: Dolphin Nautilus CC Plus WiFi
Its smart features, remote control, and scheduling capabilities give it a clear advantage for users who want hands-free automation.
Quick Rundown Of Dolphin Cayman
Quick Rundown Of Dolphin Nautilus CC Plus
Conclusion
Choose the Dolphin Cayman if you want a lightweight, reliable cleaner for small to mid-sized pools. It’s an excellent choice for those who prioritize portability, aggressive brushing, and simplicity without needing app controls or advanced scheduling.
Choose the Dolphin Nautilus CC Plus WiFi if you need comprehensive, app-controlled cleaning for larger pools. Its dual active brushes, Wi-Fi integration, and stronger suction performance make it the better option for more complex and demanding pool setups.
Overall Winner: Dolphin Nautilus CC Plus WiFi
With superior filtration, app-based automation, and wider cleaning capability, the Dolphin Nautilus CC Plus WiFi is the more advanced and future-ready solution for pool owners who want consistent, powerful, and intelligent pool maintenance.