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Free 1-2 Day Shipping. Low Price Guarantee. Easy Returns/Exchanges.

Choose from top models from the top brands.

Dolphin W20 versus Dolphin Cayman

Compare Features, Filters, and Warranty

Cayman or W20. Which wins?

Diving into the Cayman vs W20, our pool experts distinguish the key features you'll want to look for when choosing a pool robot. That way, you can decide between the Dolphin W20 or Dolphin Cayman.

Compare essential features...

Dolphin ProLine
Dolphin Logo W20 Cayman Sigma Premier
Cleans Waterline
No
No
Yes Yes
Nano
Filtration
No
Yes Yes Yes
MultiMedia
No
No
No
Yes
Dual Stabilizer Yes
No
Yes Yes
Gyroscope
No
No
Yes
No
3 Year Warranty Yes
No
Yes Yes
No Restocking Fee Yes Yes Yes Yes
30 Day Trial Yes Yes Yes Yes
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Dolphin Sigma

Sigma adds waterline cleaning, NanoFilters™, triple motors, gyroscope, 3 year warranty + 30 Day Free Trial.

Dolphin Premier

Premier adds waterline cleaning, commercial grade motors, MultiMedia™, NanoFilters™, 3 year warranty + 30 Day Free Trial.

Compare Dolphin W20 vs Dolphin Cayman

Features W20 Cayman
Standard Filter yes yes
NanoFilters™ no yes
MaxBin™ no yes
Wall Climbing no yes
Waterline Cleaning no no
Programmable Timer no yes
3 Year Warranty yes no

Compare Features

NanoFilters™

Often overlooked, having a NanoFilter™ can be the most important part of a pool robot. Without it, small microscopic particulate will pass right through the standard filters found on most robots. These highly advanced filters capture more debris than any other filter on the market, leaving you with a cleaner, happier, and healthier pool.

NanoFilters™ capture fine dirt and debris that passes through the standard filters
yes
The Dolphin W20 does not include NanoFilters™
yes
The Dolphin Cayman has optional NanoFilters™

Standard Fine Filter

These standard filters help capture larger items such as small leaves and other debris, while maximizing flow rate. However, if your pool struggles with cloudy pool water, small algae, or sand. You many want to consider a unit with NanoFilters™.

NanoFilter™ vs Standard Filters
NanoFilter™ (left) vs Standard Filters (right)
yes
The Dolphin W20 includes a standard filter.
yes
The Dolphin Cayman includes a standard filter.

Programmable Weekly Timer

An automatic pool cleaner should be automatic, right? With a programmable weekly timer, you can set the robot to clean at different intervals. So your pool robot can clean for you everyday of the week while you sit back and relax - without the need to manually turn it on and off everyday.

yes
The Dolphin W20 does not include a weekly timer.
yes
The Dolphin Cayman includes a weekly timer.

Dual Stabilizer

This essential piece to waterline cleaning allows the unit to cling to the walls of your pool - allowing a more precise and deeper clean at the waterline. Units with dual stabilizers have increased performance and agility while cleaning. It also doubles as an easy handle to pickup your robot from.

yes
The Dolphin W20 includes a dual stabilizer.
yes
The Dolphin Cayman does not include a dual stabilizer.

Anti-Tangle Cable Swivel

Say goodbye to pesky tangled cords. An anti-tangle swivel allows the robot to move 360 degrees around your pool without the cord getting tangled. So you can sit back and enjoy while your pool robot vacuums and cleans for you.

yes
The Dolphin W20 includes an anti-tangle swivel.
yes
The Dolphin Cayman does not include an anti-tangle swivel.

3 Year Warranty

A robot is only as important as its warranty. By purchasing through an Authorized Maytronics Dealer such as Poolbots, you'll get the full warranty on all robotic pool cleaners available on Poolbots.com. Try any robotic pool cleaner risk-free for 30 days in your pool without any restocking fees.

yes
The Dolphin W20 includes a 3 year warranty.
yes
The Dolphin Cayman includes a 2 year warranty.

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Compare Specifications

Dolphin W20 Dolphin Cayman

Part Number 99996904-US 99996135-SPL
ASIN B09S4NFGXB B07TMRFS4H
Waterline Cleaning No No
Multi-Media® No No
# of Filters Included: 1 1
Filter Cleaning Bottom Access MaxBin
Cleaning Coverage Floor Floor, Walls
Cleaning Cycle 3 hours 1.5 hours
Number of Brushes 2 1
Cable Length 80 ft 50 ft
Anti-Tangle Swivel Yes No
Pool Types In Ground In Ground & Above Ground
Maximum Pool Size 68 ft 33 ft
Pool Shape Rectangular, Free Shape, Hopper, Kidney, Zero (beach) entry Rectangle, Oval, or Freeform
Obstacles Steps, Ladder, Drain Cover, Ledges, Pop-Ups Steps, Ladder, Drain Cover, Ledges, Pop-Ups
Surface Gunite, Fiberglass, Vinyl, Liner Concrete, Plaster, Gunite, Pebble, Tile, Vinyl Liner, Fiberglass
Media-Alert® No No
Automated Weekly Timer No Yes
Remote operation Yes No
Restocking Fee No
No
Warranty 3 Years 2 Years
Read Reviews Dolphin W20 Review Dolphin Cayman Review

View Other Top Comparisons

Compare all of the top robotic pool cleaners from Maytronics' Dolphin, Aquabot, & More.

Read Our Reviews

Learn more about the Dolphin W20 and Dolphin Cayman in our reviews. Our in-depth pool robot reviews are written by our pool experts and will help you make an informed decision when purchasing a robotic pool cleaner for your pool. Read the Dolphin Cayman Review, Dolphin W20 Review, or browser other top robotic pool cleaner reviews.

WHAT'S NEXT?

Try any in your own pool for 30 days.

Every pool deserves an intelligent robot. If you don't love it, simply return the robot. Unlike the other guys, we never charge a restocking fee or any other fees - meaning no restocking fee ever.

Pool Robot Buying Guide