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Dolphin Sigma lined up poolside with other Dolphin robotic pool cleaners

See Why So Many Make the Switch

Compare Dolphin Sigma

$2999$2349
Dolphin Sigma ·
30 Day Trial

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See why so many make the switch

Compare Dolphin Sigma to the rest of the Dolphin Maytronics Lineup. See why Dolphin Sigma is the Flagship Maytronics Robotic Pool Cleaner for 2026.

Why Dolphin Sigma?

Compare the Dolphin Sigma to other top 2026 Dolphin models.

Feature Dolphin Sigma
Sigma
 Dolphin Quantum
Quantum
 Dolphin Premier
Premier
 Dolphin Cayman
Cayman
 Dolphin Escape
Escape
Price $2349 $1599 $1949 $1049 From $659
Pool Type Inground Inground Inground Both Above-Ground
Motors Triple Commercial-Grade Dual Dual Dual Dual
Gyroscope ✓ - - - -
Scrubbing Brushes Quad Dual Dual Dual Dual
Corded Power ✓ ✓ ✓ ✓ ✓
Smart Navigation SmartNav 3.0 ✓ ✓ ✓ ✓
myDolphin Plus App ✓ - - - -
Weekly Timer with AutoStart ✓ ✓ ✓ ✓ Optional (+$99)
Wall Climbing ✓ ✓ ✓ ✓ -
Waterline Cleaning ✓ ✓ ✓ - -
Swivel Cable ✓ ✓ ✓ ✓ -
Filter Type Cartridges XXL MaxBin Cartridges MaxBin MaxBin
NanoFilter Included ✓ ✓ ✓ Optional Optional
Top-Load Filter ✓ ✓ - ✓ ✓
Warranty 3 Years 2 Years 3 Years 2 Years 2 Years
Pool Size Up to 50ft Up to 50ft Up to 50ft Up to 40ft Up to 33ft
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Head-to-Head Comparisons

Compare the Dolphin Sigma feature by feature against every other Dolphin robotic pool cleaner.

Dolphin Sigma Robotic Pool Cleaner

New

Dolphin Sigma Robotic Pool Cleaner

$2999 $2349 SALE Save $650

The New Sigma. Expect More. The 2026 Dolphin Sigma sets the new standard with an onboard gyroscope, triple commercial-grade motors, quad scrubbing brushes, NanoFilters™ and the myDolphin Plus app. Backed by a 3 year warranty and a 30 day in-pool trial.

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  • Free 1-3 Day FedEx Shipping
  • 3 Year Warranty Included
  • 30 Day Trial & No Restocking Fees
  • Price Match Guarantee

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Try Sigma in Your Pool for 30 Days

Every pool deserves an intelligent robot.
Take Sigma home and try in your own pool for 30 days. If you're not 100% satisfied, simply return it.

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