DOLPHIN Cayman vs Quantum, Which Is Superior?

Dolphin Cayman and Dolphin Quantum are both top-notch robotic pool cleaners from Maytronics, designed to keep your pool clean with minimal effort. They share several similarities in their specs: both have a weekly timer, automation mode, fine filter kit, top access filter, and a standard brush. They also offer the same suction rate of 4000 gph.
Both models are designed to work in pools of various shapes, including rectangular, round, free shape, and kidney.

Dolphin Cayman

Dolphin Quantum

DOLPHIN Cayman robotic pool cleaner DOLPHIN Quantum robotic pool cleaner

However, there are notable differences between the two models. The Dolphin Quantum comes with an additional ultra-fine filter kit and offers waterline scrubbing. It also has two brushes(Cayman has one) and an anti-tangling swivel feature. It’s equipped with a longer cable length of 60 ft, making it suitable for larger pools with a maximum size of 40 ft. On the other hand, the Dolphin Cayman is more suitable for smaller pools with a maximum size of 33 ft. It has a single brush and lacks the waterline scrubbing and anti-tangling swivel feature.

Main Differences

Here are the differences at a glance, we have bolded the differences for easy spotting.

  • The Dolphin Quantum is a heavier model (18.35 lb) than the Dolphin Cayman (14.62 lb).
  • The Quantum model comes with an additional ultra-fine filter kit.
  • The Dolphin Quantum offers waterline scrubbing and has two brushes, whereas the Dolphin Cayman does not have waterline scrubbing and has only one brush.
  • The Quantum has a power cable with anti-tangling swivel, which its counterpart lacks.
  • The Quantum model has a longer cable length (60 ft) suitable for larger pools up to 40 ft, while the Cayman has a 50 ft cable, ideal for smaller pools up to 33 ft.
Dolphin Cayman Filter

Dolphin Cayman Filter

DOLPHIN Quantum Filter

DOLPHIN Quantum Filter

DOLPHIN Cayman vs DOLPHIN Quantum Specs Table

Brand Dolphin Dolphin
Model Cayman Quantum
Type Robotic Pool Cleaner Robotic Pool Cleaner
Suitable Pool Types In Ground In Ground
Power Type Corded Corded
Control Method On off and Weekly Timer On off and Weekly Timer
Cord Length
50 ft.
60 ft.
Battery Capacity N/A N/A
Charging Time N/A N/A
Cleaning Cycle
2 hours
2 hours
Waterline Cleaning
Wall Climb
Navigation SmartNav 2.0 SmartNav 2.0
Sensors
Filter Top access filter, Fine Filter Kit Top access filter, Fine Filter Kit, Ultra-Fine Filter Kit
Pool Surfaces/Type All pool surface types All pool surface types
Smart Phone Connected
Schedule Timer
Suction Rate
4000 GPH
4000 GPH
Pool Size Ideal for up to 33 feet Ideal for up to 40 feet
What’s in the package
  • Nautilus Cayman
  • Power Supply Unit
  • Fine Filter Basket
  • User Manual
  • Quick Start Guide
  • Registration Card
  • Nautilus Quantum
  • Power Supply Unit
  • Fine Filter Kit
  • Ultra-Fine Filter Kit
  • User Manual
  • Quick Start Guide
  • Registration Card
Weight 14.6 lbs. 18.3 lbs.
Warranty 24-months limited warranty 24-months limited warranty
Manufacturer Website Link Link
See Price at Amazon See Price at Amazon

Side by side photos of DOLPHIN Cayman and DOLPHIN Quantum pool cleaners.

Filter comparison of DOLPHIN Cayman and DOLPHIN Quantum

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