Pool · Updated 15 October 2026

Dolphin Pool Cleaner Review 2026: The Range Explained and the Best Models

The short answerA Dolphin pool cleaner is a strong choice for most pools. Maytronics has made Dolphin robots since 1983, sells the widest corded range, and specialist reviewers recommend it often. For most in-ground pools, the Nautilus CC Plus is the best-value Dolphin; the Cayman adds waterline scrubbing, and the EON 100 is the best cordless Dolphin.

The line-up

Best overall DolphinBuy now
Dolphin (Maytronics)

Dolphin Nautilus CC Plus

  • Power: Corded
  • Pool size: Up to 50 ft
  • Cleans: Floor and walls

around $849 list, often discounted

Best for waterline cleaningBuy now
Dolphin (Maytronics)

Dolphin Cayman

  • Power: Corded, 50 ft cable
  • Pool size: Up to 33 ft
  • Cleans: Floor, walls and waterline

around $1,129 list

Best for large pools with stepsBuy now
Dolphin

Dolphin Quantum

  • Power: Corded, 60 ft anti-tangle swivel
  • Pool size: Up to 50 ft
  • Cleans: Floor, walls, waterline, steps, shelves

around $1,999 list

Best for leavesBuy now
Dolphin (Maytronics)

Dolphin Premier

  • Power: Corded, 60 ft anti-tangle swivel cable
  • Pool size: Up to 50 ft
  • Cleans: Floor, walls and waterline

around $2,499 list

Best for above-ground poolsBuy now
Dolphin (Maytronics)

Dolphin Escape

  • Power: Corded
  • Pool size: Up to 33 ft
  • Cleans: Floor and lower walls

around $799 list

Best budget DolphinBuy now
Dolphin (Maytronics)

Dolphin E10

  • Power: Corded
  • Pool size: Up to 30 ft
  • Cleans: Floor only

around $599 list, seen at $499 at major retailers

Best cordless DolphinBuy now
Dolphin (Maytronics)

Dolphin Nautilus EON 100

  • Power: Cordless (battery)
  • Pool size: Up to 50 ft
  • Cleans: Floor, walls, waterline, steps and shelves

around $899 list

Best cordless warrantyBuy now
Dolphin (Maytronics)

Dolphin Liberty 400

  • Pool size: Up to 10 m / 33 ft
  • Cleans: Floor, walls and waterline
  • Cycle: 2.5 h default

around $1,429 list

Dolphin is the robotic pool cleaner brand of Maytronics, an Israeli company founded in 1983 at Kibbutz Yizre'el. Maytronics says it launched the first robotic pool cleaner for private and commercial pools that year, and it has a US head office in Atlanta, Georgia, opened in 2007.

The challenge with Dolphin is not quality, it is choice. There are dozens of models, many sold only through certain shops (store exclusives) or online. This review explains the ranges in plain English and picks the models worth your money. For other brands, see our robot pool cleaner guide.

Dolphin models compared
ModelPrice (Oct 2026)Pool sizeCleansWarranty
Nautilus CC Plusaround $84950 ftFloor, walls1 year
Caymanaround $1,12933 ftFloor, walls, waterline2 years
Quantumaround $1,99950 ftFloor, walls, waterline, steps2 years
Premieraround $2,49950 ftFloor, walls, waterline3 years
Escapearound $79933 ftFloor, lower walls2 years
E10around $499 to $59930 ftFloor2 years
Nautilus EON 100around $89950 ftFloor, walls, waterline, ledges1 year retail
Liberty 400around $1,42933 ftFloor, walls, waterline3 years

Model by model

Dolphin Nautilus CC Plus
Best overall Dolphin

Dolphin Nautilus CC Plus

Best for: Most in-ground pools up to 50 ft

Price
around $849 list (Oct 2026)
Power
Corded
Pool size
Up to 50 ft
Cleans
Floor and walls
Filtration
Dual top-load filters
Warranty
1 year

Pros

  • Excellent value for a 50 ft wall-climbing robot
  • Easy top-load filters
  • Bob Vila's best overall robotic pool cleaner in 2026

Cons

  • No waterline scrubbing
  • Only 1-year warranty

Verdict: The Dolphin most people should buy. It does the essentials well at a fair price.

Dolphin Cayman
Best for waterline cleaning

Dolphin Cayman

Best for: Pools up to 33 ft with a grubby waterline

Price
around $1,129 list (Oct 2026)
Power
Corded, 50 ft cable
Pool size
Up to 33 ft
Cleans
Floor, walls, waterline
Timer
Built-in weekly timer
Warranty
2 years

Pros

  • Weekly timer included, so it runs on schedule
  • HyperBrush and grippy tracks for walls
  • 2-year warranty

Cons

  • 33 ft limit
  • Fine filters sold separately at some dealers

Verdict: The best mid-range Dolphin if you want set-and-forget scheduling and a cleaner waterline.

Dolphin Quantum
Best for large pools with steps

Dolphin Quantum

Best for: Pools up to 50 ft with steps, shelves and heavy debris

Price
around $1,999 list (Oct 2026)
Power
Corded, 60 ft anti-tangle swivel
Pool size
Up to 50 ft
Cleans
Floor, walls, waterline, steps, shelves
Filtration
XXL basket plus fine filters
Warranty
2 years

Pros

  • Very large debris basket (Dolphin says about 225% more capacity)
  • Cleans steps and shelves
  • Weekly timer and app

Cons

  • Expensive
  • 2-year warranty is shorter than the Premier's

Verdict: A top choice for big, complex pools. The Pool Nerd also rates it highly for larger above-ground pools.

Dolphin Premier
Best for leaves

Dolphin Premier

Best for: Pools under trees with heavy leaf fall

Price
around $2,499 list (Oct 2026)
Power
Corded, 60 ft swivel cable
Pool size
Up to 50 ft
Cleans
Floor, walls, waterline
Filtration
Four options incl. leaf bag
Warranty
3 years

Pros

  • Swappable filters for leaves or fine silt
  • Weekly timer and full-filter alert light
  • 3-year warranty

Cons

  • No app
  • Premium price

Verdict: The professional-grade Dolphin for difficult pools. Pay this much only if leaves or silt are a real problem.

Dolphin Escape
Best for above-ground pools

Dolphin Escape

Best for: Above-ground and small in-ground pools

Price
around $799 list (Oct 2026)
Power
Corded
Pool size
Up to 33 ft
Cleans
Floor and lower walls
Flow
Up to 4,000 GPH
Warranty
2 years

Pros

  • Strong suction for the price
  • Large top-load basket
  • Low power use

Cons

  • No waterline cleaning
  • Timer is extra

Verdict: Our favourite above-ground robot. See the above-ground guide for alternatives.

Dolphin E10
Best budget Dolphin

Dolphin E10

Best for: Flat-floored pools up to 30 ft

Price
around $599 list, often $499 at retailers (Oct 2026)
Power
Corded
Pool size
Up to 30 ft
Cleans
Floor only
Filtration
Top-load basket
Warranty
2 years

Pros

  • Cheapest way into a Dolphin
  • 2-year warranty
  • Sold widely online

Cons

  • No wall climbing
  • No anti-tangle swivel, noted by The Pool Nerd

Verdict: A dependable floor cleaner. Fine if your walls stay clean.

Dolphin Nautilus EON 100
Best cordless Dolphin

Dolphin Nautilus EON 100

Best for: Pools with tanning ledges

Price
around $899 list (Oct 2026)
Power
Cordless
Pool size
Up to 50 ft
Cleans
Floor, walls, waterline, steps, shelves
Filtration
70-micron cartridge
Warranty
1 year retail; 2 years on store-exclusive version

Pros

  • Works in 8 inches of water
  • Scheduler spreads one charge over several cleans

Cons

  • App connects only when the robot is out of the water
  • Lift-out and charge routine

Verdict: The most convenient cordless Dolphin. Compare it with rivals in our cordless guide.

Dolphin Liberty 400
Best cordless warranty

Dolphin Liberty 400

Best for: Smaller in-ground pools

Price
around $1,429 list (Oct 2026)
Power
Cordless, inductive charging
Pool size
Up to 10 m / 33 ft
Cleans
Floor, walls, waterline
Cycle
2.5 h default
Warranty
3 years

Pros

  • Inductive charging with no exposed contacts
  • Ultra-fine filter included
  • 3-year warranty

Cons

  • Expensive for its pool size rating

Verdict: Well built and well covered. Worth it if you value warranty over price.

Our verdict on the Dolphin pool cleaner range

Dolphin's strength is depth: corded robots for every pool size, long-established dealer support and spare parts, and warranties of up to 3 years on higher-end models. Independent reviewers, including Bob Vila and The Pool Nerd, rank Dolphins at or near the top of their lists. The weaknesses are confusing model names, store-exclusive versions with slightly different features, and short 1-year warranties on the Nautilus range.

We have not tested Dolphins ourselves. This review draws on Maytronics specifications, independent test results, owner review patterns and October 2026 prices.

Dolphin ranges explained

  • Explorer (E10 and up): entry robots sold mainly online. The E10 is floor-only.
  • Nautilus (CC, CC Plus, CC Pro, CC Supreme, Titan, AG, Pool Up): the big-box retail range. Mostly 1-year warranties. Higher models add waterline cleaning and Wi-Fi.
  • Max-Series and ProLine (Escape, Cayman, Quantum, Premier, Sigma): sold through pool dealers and online specialists, with 2 to 3-year warranties and weekly timers on most models.
  • Active, S-Line and T-Line: dealer ranges with Wi-Fi apps and 2-year warranties.
  • Cordless (Liberty and EON): battery robots. Liberty uses magnetic inductive charging; EON adds shallow-water cleaning.
  • Wave: commercial robots for public pools.

Model names change often, and some models are listed as unavailable on Dolphin's US store at any given time, so check stock with local dealers too.

How we chose

We compared Dolphin's own product pages, The Pool Nerd's full Dolphin model comparison (updated July 2026), Bob Vila's 2026 testing, Google Shopping owner rating patterns and current US list prices. We favoured models with top-load filters, swivel cables, timers and longer warranties.

Dolphin pros and cons

Pros

  • Corded robots keep full suction for the whole cycle.
  • Top-load filters on most current models.
  • Anti-tangle swivel cables on mid and high-end robots.
  • Large dealer and spare parts network, plus a genuine refurbished programme.

Cons

  • Confusing naming and store-exclusive variants.
  • 1-year warranty across the Nautilus range.
  • Fewer smart features than Beatbot or Aiper at similar prices.

Dolphin vs other brands

Against Polaris, Dolphin has a broader corded range, while Polaris offers 70 ft cables and illuminated canisters on its iQ+ models. Against Beatbot and Aiper, Dolphin is less flashy but specialist reviewers such as The Pool Nerd found corded Dolphins outcleaned pricier cordless robots, especially on fine debris.

Problems reviewers flag

  • No swivel on entry models: The Pool Nerd notes the E10 lacks an anti-tangle swivel, so the cable can twist.
  • App limits on cordless EON: it connects only when out of the water.
  • Filter cleaning: The Pool Nerd found the EON 120d's self-rinsing DebrisLock filter still a chore to clean by hand.
  • Short warranties on the Nautilus range compared with dealer models.

For any robot, keeping the filter clean and water balanced is the simplest way to avoid poor wall climbing.

Frequently asked questions

Are Dolphin pool cleaners worth it?

For most pool owners, yes. Corded Dolphins keep full suction throughout the cycle, most have easy top-load filters and higher-end models carry 2 to 3-year warranties. Independent reviewers regularly rank them among the best.

Which Dolphin pool cleaner is best?

For most in-ground pools, the Nautilus CC Plus offers the best value. Choose the Cayman for waterline cleaning and a weekly timer, the Premier for heavy leaves, the Escape for above-ground pools, or the EON 100 for cordless.

Who makes Dolphin pool cleaners?

Maytronics, an Israeli company founded in 1983 at Kibbutz Yizre'el. It floated on the Tel Aviv Stock Exchange in 2004 and opened a US head office in Atlanta, Georgia, in 2007.

How often should I run my Dolphin pool cleaner?

As often as your pool needs it. Pools with heavy debris may need cleaning daily, while sheltered pools may need it only a couple of times a week. Models with a weekly timer, such as the Cayman and Premier, let you set a schedule.

How long can I leave my Dolphin pool cleaner in the pool?

Most guidance is to remove the robot after its cycle, unless it is a timer model designed to stay in for scheduled cleans. Always take it out before shock dosing and check your manual.

Is Dolphin better than Polaris?

Neither is better across the board. Dolphin has more corded models and more specialist recommendations; Polaris offers strong app-connected corded robots and the cordless Freedom range with easy retrieval. Compare specific models.

Written by our editorial team. We compare robots using manufacturer specifications, independent lab results and owner reviews, and we update guides when prices or models change. We do not accept payment for placement. Our research method.

Related guides

Sources

  1. Maytronics corporate timeline
  2. Maytronics Dolphin residential robots
  3. Maytronics US store: residential pools
  4. Maytronics: above-ground pool robots
  5. Maytronics: Dolphin Liberty 400
  6. Dolphin Premier product site
  7. The Pool Nerd: compare Dolphin robotic pool cleaners
  8. Bob Vila: best robotic pool cleaners