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Dolphin S300

Dolphin

$1,499

Sold out

Why it stands outWith the myDolphin Plus app, the Dolphin S300 takes it up a notch. With an included caddy, 60ft cord with swivel, and more, see all what the…

  • Free Shipping
  • 30-Day Trial
  • Authorized Dolphin Dealer

Want to know when it is back? Contact us or browse similar products.

  • Cleans floor, walls and waterline
  • 60 ft cable with anti-tangle swivel
  • Top-load filter basket and ultrafine filters

Dolphin S300

Robotic Pool Cleaner

Built to clean, the Dolphin S300 is equipped with powerful scrubbing brushes, a top-loading filter, and full pool coverage. See all the features, how it compares, and if the S300 is right for your pool.

Dolphin S300 Robotic Pool Cleaner

What's Included

Dolphin S300 Robotic Pool Cleaner

Dolphin S300

Dolphin Small Filter Basket

Top-Load Filter Basket

Dolphin Ultrafine Panels

Ultrafine Panels

myDolphin Plus App Timer

Power Supply with myDolphin Plus App

60ft Maytronics Dolphin cord with swivel

60ft Cord with Anti-Tangle Swivel

Dolphin Universal Caddy

Universal Caddy

Dolphin Manual

Manual

2 Year Warranty

2 Year Warranty

Dolphin S300 Lifestyle

For Inground Swimming Pools

Designed with a 60ft cord with anti-tangle swivel and more, the Dolphin S300 is perfect for inground pools up to 50ft. Clean fiberglass, gunite, vinyl, and more, the S300 cleans any pool surface and shape.

Discover and Compare All Dolphin S-Line Robots →

Top-Loading Basket

The top-loading basket is super simple to clean. Pull up and rinse. The Dolphin S300 cleans leaves, twigs, and even bugs from your pool.

Dolphin S300 Filter Basket
Dolphin S300 Robotic Pool Cleaner Waterline Cleaning

Waterline Cleaning

Advanced waterline cleaning abilities ensure the S300 cleans your whole pool. From the floor to the walls, the Dolphin S300 covers every inch of your pool with CleverClean Navigation.

Dual Brushes

Scrub and clean. With two brushes, the Dolphin S300 doesn't just vacuum - it scrubs. Unlike other pool robots that simply vacuum, the S300 does more.

Dolphin S300 Robotic Pool Cleaner Cleaning Pool
Dolphin S300 Power Supply

myDolphin Plus App

Now with Wi-Fi, schedule the Dolphin S300 directly from the myDolphin Plus app. Connect from anywhere via Wi-Fi and cloud technology.

A Cleaner Pool

Change the way you clean your pool. With the Dolphin S300, this cleaner saves you time and money. Sit back and relax as the Dolphin does the work for you

Dolphin S300 Robotic Pool Lifestyle
Dolphin S300 Automatic Robotic Pool Vacuum Cleaner

Best-in-Class Warranty

2 Year Warranty & 30 Day Trial

By shopping at an Authorized Dealer, such as Pool Express, every Dolphin robot includes a full warranty. The Dolphin S300 includes a full 2-year warranty from date of purchase.

Specifications

Dolphin S300 specifications
Pool TypeInground
Maximum Pool LengthUp to 50 ft
Cleaning CoverageFloor, Walls, Waterline
Included FiltrationTop-Load Basket, UltraFilter
PowerCorded with Low-Voltage Power Supply
Cable Length60 ft with Anti-Tangle Swivel
TimerWeekly Timer
Dolphin S300 specifications, continued
Smartphone AppYes
NavigationCleverClean
Scrubbing Brushes2
In the BoxDolphin S300, Top-Load Filter Basket, Ultrafine Panels, Power Supply with myDolphin Plus App, 60 ft Cord with Anti-Tangle Swivel, Universal Caddy, Manual, 2-Year Warranty
Warranty2-Year Manufacturer's Warranty
BrandDolphin

Frequently bought instead

Shoppers who compare the Dolphin S300 most often end up with one of these two. Same kind of pool, similar budget, and here is exactly what changes.

Dolphin S300 compared with Dolphin Quantum and Clear S
Specification
Dolphin S300 This page
Dolphin QuantumBest Value
Clear SBest UltraFilter Robot
Price$1,499$1,649$1,749
Pool TypeIngroundIngroundInground
Maximum Pool LengthUp to 50 ftUp to 50 ftUp to 50 ft
Cleaning CoverageFloor, Walls, WaterlineFloor, Walls, WaterlineFloor, Walls, Waterline
Included FiltrationTop-Load Basket, UltraFilterXXL MaxBin Basket, NanoFiltersUltraFilter
Power60 ft cable with swivel60 ft cable with swivel59 ft cable with swivel
Timer and AppWeekly timer, AppWeekly timer, App, Remote includedWeekly timer, App, Remote included
Weight—35 lb27.6 lb
Warranty2 Years2 Years3 Years
LinkView Dolphin QuantumView Clear S

Not sure which one fits your pool? Read our robotic pool cleaner shortlist or ask a Pool Pro.

Replacement parts for the Dolphin S300

25 genuine Maytronics parts fit this robot, 12 of them sold on Amazon: filters, climbing rings, brushes, tracks, power supplies, cables, motor units, caddies and covers.

See all 25 parts for the Dolphin S300

Manuals, warranty and returns

Warranty

2-Year Manufacturer's Warranty from Maytronics. Every product carries the manufacturer's warranty shown on its page. Pool Express is an authorized dealer, so your warranty is valid.

Returns

Try it in your pool for 30 days. If it is not right for you, return it within 30 days of delivery for a full refund of the purchase price. You pay the return shipping. There is never a restocking fee. Full return policy

Manuals and documents

The manual ships in the box. Need a digital copy? Contact us and we will send it.

Shipping

Free shipping on every order to the contiguous United States. Orders placed by 2:00 pm Central Time, Monday through Friday, ship the same business day. Orders placed later ship the next business day. Most orders arrive 1–3 business days after they ship. Allow up to 5 business days for rural addresses. Shipping details

Dolphin S300 vs. our top-rated robots

Comparison of S-Line models
Specification
Dolphin S300 This page
Price$1,499$1,649$1,999$2,399
Pool TypeIngroundIngroundIngroundInground
Maximum Pool LengthUp to 50 ftUp to 50 ftUp to 50 ft—
Cleaning Coverage Floor, walls, or up to the waterlineFloor, Walls, WaterlineFloor, Walls, WaterlineFloor, Walls, WaterlineFloor, Walls, Waterline
Included Filtration Fine filters catch algae-sized debrisTop-Load Basket, UltraFilterXXL MaxBin Basket, NanoFiltersStandard Cartridge, NanoFilters, Oversized Leaf Bag, Multi-MediaStandard Cartridge, NanoFilters
Cable60 ft with Anti-Tangle Swivel60 ft with Anti-Tangle Swivel60 ft with Anti-Tangle Swivel60 ft with Anti-Tangle Swivel
TimerWeekly TimerWeekly TimerWeekly TimerWeekly Timer
Smartphone AppYesYesNoYes
Weight—35 lb35 lb35 lb
Warranty2 Years2 Years3 Years3 Years
LinkView Dolphin QuantumView Dolphin PremierView Dolphin Sigma

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Customer reviews

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Common questions about robotic pool cleaners

Can it be plugged into an extension cord?

Yes it can!

I can power my Dolphin on but it does not move

If your Dolphin powers on but does not move, try checking the tracks for any debris or obstructions. Also, check the drive motor and impeller for any damage or wear. If you are still having issues, contact Maytronics customer support for further assistance.

My Dolphin's power supply does not turn on when I press the power button

If your Dolphin's power supply is not turning on, check to make sure it is properly plugged in and that the outlet it is plugged into is working. If the power supply is still not turning on, contact Maytronics customer support for further assistance.

My Dolphin is not cleaning the pool properly

If your Dolphin is not cleaning the pool properly, try checking the filter bag for any debris or blockages. Also, check the brushes and tracks for any damage or wear. If you are still having issues, contact Maytronics customer support for further assistance.

General Wifi connectivity guide

For general Wifi connectivity guide, please refer to the Dolphin user manual or contact Maytronics customer support for further assistance.

What are the handles and the floats on my Dolphin for?

The handles on your Dolphin are for lifting and carrying the unit, while the floats are designed to help your Dolphin navigate around the pool and maintain proper buoyancy.

Which Dolphin App should I download for my Robot?

You should download the MyDolphin™ Plus App for your Dolphin robotic pool cleaner.

Why should I register my robot?

Registering your Dolphin robotic pool cleaner allows you to receive important product updates and notifications, as well as access to exclusive content and promotions.

Have a question about this model? Ask a Pool Pro.

Why shop at Pool Express?

With free shipping, a 30-day trial, and low price guarantee, we're proud to be one of the largest online retailers of all the top pool brands.

Free Shipping

Free shipping on every order to the contiguous United States. Estimated delivery: 1–5 business days after you order.

30-Day Trial

Try it in your pool for 30 days. If it is not right for you, return it within 30 days of delivery for a full refund of the purchase price.

Low Price Guarantee

Find an identical, in-stock item advertised for less by an authorized U.S. dealer and we match the price before you buy.

Pool Pros on the phone

Talk to our in-house pool professionals before and after the sale: 512-961-3881, Monday–Friday, 8:00 am–5:30 pm Central Time.