Dolphin Pool Cleaners Ranked

Last updated: October 21, 2026

35 Dolphin pool cleaners ranked. Each one is scored and ranked against every brand in its type, so "#3 mid-size" means third of all mid-size pool cleaners here, not third among Dolphin's own.

Dolphin makes 35 current pool cleaners: 5 cordless and 30 corded. Prices run from $494.10 for the Dolphin Nautilus Pool Up to $2,399 for the Dolphin Sigma. Its best-rated model in each size: the Dolphin EON 120d (#12 of 42 cordless, rated 4.1) and the Dolphin Explorer E40 (#1 of 42 corded, rated 4.0). 5 cordless and 30 corded. Navigation: Gyroscope mapping, gyroscope or sensors. 18 of them clean the waterline. Warranties run from 1 to 3 years.

Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Dolphin pool cleaners 35

  1. Dolphin EON 120d
    #12 cordless4.1Full review

    The dealer version of the cordless EON 120d, worth the small premium for its three-year warranty.

    Leslie's $1,349 ePoolSupply $1,249
    $1,249
    50 ftTo waterlineGyroscope mapping3 yr
  2. Dolphin Explorer E40
    #1 corded4.0Full review

    A full-coverage Wi-Fi robot for large in-ground pools, with a three-year warranty and extra scrubbing.

    Amazon $1,299 Maytronics $1,499 Walmart $1,449 ePoolSupply $1,449
    $1,299
    50 ftTo waterline-3 yr
  3. Dolphin Advantage Pro
    #2 corded3.8Full review

    A full-coverage, app-controlled robot for pools up to 50 ft.

    Amazon $999
    $999
    50 ftTo waterline-2 yr
  4. Dolphin Explorer E30
    #3 corded3.8Full review

    A Wi-Fi full-coverage robot for large in-ground pools, priced between the E25 and E40.

    Pool Express $1,099
    $1,099
    50 ftTo waterline-2 yr
  5. Dolphin Proteus DX5i
    #5 corded3.7Full review

    A Wi-Fi full-coverage robot for large pools, essentially Leslie’s counterpart to the Nautilus CC Pro with a longer warranty.

    Leslie's $1,199
    $1,199
    50 ftTo waterline-2 yr
  6. Dolphin Sigma
    #6 corded3.7Full review

    A top dealer-line robot for large in-ground pools, with a three-year warranty.

    Pool Express $2,399
    $2,399
    50 ftTo waterline-3 yr
  7. Dolphin Advantage Ultra
    #7 corded3.7Full review

    A full-coverage scheduled robot for pools up to 50 ft, for owners who do not want an app.

    Amazon $899
    $899
    50 ftTo waterline-2 yr
  8. Dolphin Explorer E50
    #8 corded3.7Full review

    A well-equipped Wi-Fi robot for 50 ft pools, for owners who want a filter-full warning and a caddy.

    Maytronics $1,329 Pool Express $1,629
    $1,329
    50 ftTo waterline-2 yr
  9. Dolphin Premier
    #9 corded3.7Full review

    For leafy in-ground pools up to 50 ft where filter capacity matters more than app control.

    Pool Express $1,999
    $1,999
    50 ftTo waterlineGyroscope or sensors3 yr
  10. Dolphin Nautilus EON 100
    #29 cordless3.7Full review

    Maytronics’ entry cordless robot, for owners who want cable-free cleaning that reaches steps and ledges.

    Maytronics $899 Walmart $899
    $899
    50 ftTo waterlineGyroscope mapping1 yr
  11. Dolphin Explorer E25
    #11 corded3.6Full review

    A Wi-Fi floor-and-wall robot for pools up to 40 ft, for owners who want scheduling without paying for waterline scrubbing.

    Walmart $839
    $839
    40 ftFloor + wallsGyroscope or sensors2.5 yr
  12. Dolphin S400
    #12 corded3.6Full review

    A fully equipped dealer-line robot for large pools, though the Explorer E50 offers similar features for less.

    Leslie's $1,784
    $1,784
    50 ftTo waterline-2 yr
  13. Dolphin Nautilus EON 120d
    #31 cordless3.6Full review

    A cordless robot for owners who want waterline scrubbing and less filter cleaning without a cable in the pool.

    Maytronics $1,199 Walmart $1,199
    $1,199
    50 ftTo waterlineGyroscope mapping1 yr
  14. Dolphin Quantum
    #15 corded3.5Full review

    A dealer-line full-coverage robot for large pools, for owners who do not need an app.

    Pool Express $1,649
    $1,649
    50 ftTo waterline-2 yr
  15. Dolphin Nautilus CC Pro
    #16 corded3.5Full review

    A full-coverage Nautilus for pools up to 50 ft that need waterline scrubbing and an app schedule.

    Maytronics $1,149 Walmart $1,247.99
    $1,149
    50 ftTo waterline-1 yr
  16. Dolphin Nautilus CC Plus
    #18 corded3.5Full review

    A simple plug-and-go robot for mid-size in-ground pools whose owners want a swivel cable but no app.

    Amazon $829 Maytronics $829
    $829
    50 ftFloor + walls--
  17. Dolphin Nautilus CC Supreme
    #20 corded3.4Full review

    The best-equipped Nautilus, for large in-ground pools whose owners want a caddy, Wi-Fi and extra scrubbing in one box.

    Amazon $1,449 Maytronics $1,449 Walmart $1,548
    $1,449
    50 ftTo waterline-1 yr
  18. Dolphin Nautilus Pool Up
    #21 corded3.4Full review

    A budget floor-and-wall robot for small pools, if you can live with a bottom-access filter bag.

    Leslie's $494.10
    $494.10
    30 ftFloor + walls-2 yr
  19. Dolphin Proteus DX4 Plus
    #22 corded3.4Full review

    Leslie’s mid-range Dolphin for small in-ground pools that need steps and waterline cleaned.

    Leslie's $949 Walmart $949
    $949
    32 ftTo waterline-2 yr
  20. Dolphin Nautilus Titan
    #23 corded3.4Full review

    For large in-ground pools with heavy debris where pump power matters more than price.

    Maytronics $1,599
    $1,599
    50 ftTo waterline-1 yr
  21. Dolphin Liberty 300
    #34 cordless3.3Full review

    A cordless waterline-scrubbing robot for small and mid-size pools, for owners who want easy retrieval without an app.

    Maytronics $1,249 Leslie's $1,249 ePoolSupply $1,199
    $1,199
    33 ftTo waterline-2 yr
  22. Dolphin Nautilus CC Plus Wi-Fi
    #24 corded3.2Full review

    The cheapest Nautilus with Wi-Fi scheduling, for in-ground pool owners who want app control more than waterline scrubbing.

    Amazon $849 Maytronics $849
    $849
    40 ftFloor + walls-1 yr
  23. Dolphin Echo
    #25 corded3.2Full review

    A low-cost floor-and-wall robot for pools up to 33 ft.

    Leslie's $524.30
    $524.30
    33 ftFloor + wallsGyroscope or sensors2 yr
  24. Dolphin Liberty 200
    #36 cordless3.2Full review

    A simple cordless robot for small pools whose owners want no cable and no app.

    Maytronics $949 Leslie's $949 Walmart $899 ePoolSupply $899 Pool Express $999
    $899
    33 ftFloor + wallsGyroscope or sensors2 yr
  25. Dolphin Cayman
    #27 corded3.2Full review

    A scheduled floor-and-wall robot for mid-size pools, sold through dealers.

    Pool Express $1,079
    $1,079
    40 ftFloor + wallsGyroscope or sensors2 yr
  26. Dolphin Premium 20
    #28 corded3.2Full review

    A floor-and-wall Dolphin for pools up to 33 ft.

    Leslie's $629.10
    $629.10
    33 ftFloor + wallsGyroscope or sensors2 yr
  27. Dolphin Explorer E20
    #29 corded3.2Full review

    A budget floor-and-wall robot for small pools up to 33 ft, with a better warranty than the Nautilus CC.

    Amazon $668 Walmart $639 Pool Express $669
    $639
    33 ftFloor + wallsGyroscope or sensors2 yr
  28. Dolphin Advantage
    #30 corded3.1Full review

    A basic floor-and-wall Dolphin for pools up to 33 ft.

    Walmart $669
    $669
    33 ftFloor + wallsGyroscope or sensors2 yr
  29. Dolphin Proteus DX3
    #31 corded3.1Full review

    Leslie’s version of the basic floor-and-wall Dolphin, for pools up to 33 ft.

    Leslie's $669
    $669
    33 ftFloor + wallsGyroscope or sensors2 yr
  30. Dolphin Proteus DX1
    #33 corded3.0Full review

    Leslie’s entry Dolphin for above-ground pools up to 33 ft.

    Leslie's $599
    $599
    33 ftFloor only-2 yr
  31. Dolphin E10
    #36 corded2.9Full review

    A low-cost floor cleaner for above-ground pools, with a longer warranty than the Nautilus AG.

    Leslie's $568 Pool Express $499
    $499
    30 ftFloor onlyGyroscope or sensors2 yr
  32. Dolphin Nautilus CC
    #37 corded2.9Full review

    A dependable entry-level robot for small in-ground or above-ground pools up to 33 ft that need floor and wall cleaning.

    Amazon $699 Maytronics $699 Walmart $699
    $699
    33 ftFloor + wallsGyroscope or sensors1 yr
  33. Dolphin Premium 10
    #39 corded2.8Full review

    A floor-only Dolphin for small pools.

    Leslie's $619
    $619
    30 ftFloor only-2 yr
  34. Dolphin Escape
    #40 corded2.8Full review

    A floor cleaner for above-ground pools from the dealer line, with a two-year warranty.

    Pool Express $669
    $669
    30 ftFloor onlyGyroscope or sensors2 yr
  35. Dolphin Nautilus AG
    #42 corded2.6Full review

    A basic floor cleaner for above-ground pool owners who want to stop vacuuming by hand and do not need wall cleaning.

    Amazon $568 Maytronics $568
    $568
    30 ftFloor onlyGyroscope or sensors1 yr

Every robotic pool cleaner ranked