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

Choose from top models from the top brands.

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

Choose from top models from the top brands.

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

Choose from top models from the top brands.

Dolphin S100

  • Easy Access Filter - Top-load filter access for easy and convenient debris removal and cleaning
  • Super Scrub - Intense scrubbing-power of pool surfaces, providing thorough cleaning
  • Wall Climbing - Provides floor and wall coverage, making your whole pool exceptionally clean
  • Plug'n'Play - Just plug it in, drop into the pool, for a hassle free clean
  • Energy Saver - Reduces water, chemical, and energy usage with every pool cleaning

Shoppers ultimately bought... Compare vs.

Dolphin Cayman

Upgraded Max-Series™ with Wall Climbing, MaxBin™, Weekly Smart Timer, and NanoFiltration™ Capability

Dolphin Premier

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


S100 Product Video

Try Risk-Free for 30 Days

Buy with Confidence

Try any robot in your pool risk-free for 30 days. We believe a pool robot is an investment, and we know you'll love it. Which is why we have a 30 Day Free Trial. 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.

Here at Poolbots, we carry only the top models for the top brands. All of our pool robots are backed by a full manufacturer's warranty - not prorated or limited to cycles like other pool robots.

S100 Accessories

Dolphin Universal Caddy

Easily transport your Dolphin S100 with the Dolphin Universal Caddy. Fits any Dolphin Robotic Pool Cleaner.

Dolphin S100 Specifications

Waterline Cleaning No
Wall Climbing Yes
Dual Stabilizer No
Number of Motors 2
Gallons Filtered Per Hour 4000 GPH
Filter Types Top Access
Pool Coverage Floor and Walls
Pool Types In Ground
Pool Size 33 ft
Pool Shapes Rectangle, Oval, or Freeform
Pool Surfaces Gunite, Fiberglass, Vinyl, Liner
Cable Length 50 ft
Anti-Tangle Swivel No
Obstacle Avoidance Steps, Ladder, Drain Cover, Ledges, Pop-Ups
Warranty 2 Years
Brand Dolphin
Manufacturer Maytronics
Part Number 99996121-USF

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Questions and Answers

Does Poolbots charge any restocking fees in your 30 Day Free Trial?

No, we never charge a restocking fee ever! We know a robotic pool cleaner is a big investment, which is why we offer Free 30-Day Trials on all robotic pool cleaners!

How long is the Dolphin S100's warranty?

As a proud Authorized Dealer for Dolphin, the Dolphin S100 includes a full 2 year warranty from date of purchase.

Does Dolphin S100 need a booster pump to work?

No! The Dolphin S100 is plug and play! All you need to do is unbox the unit and plug it into an outlet. No setup or assembly required!

My Dolphin S100 gets stuck on drains, how can I fix this?

With a main drain clip on, you can successfully avoid the robot getting stuck on your drain.

Does the Dolphin S100 work with saltwater pools?

Yes. The Dolphin S100 works with all types of pools, including freshwater and saltwater.

What types of pools does the Dolphin S100 work with?

The Dolphin S100 is compatible with the following types of pools: In-ground pools, above-ground pools, gunite pools, tile pools, fiberglass pools, and viny pools of all shapes and sizes. If you have any questions or wonder if this is the right robot for you, contact us or view our Pool Robot Guide.

Does the Dolphin S100 have WiFi/Bluetooth?

No, the Dolphin S100 does not have WiFi or Bluetooth connectivity. Look at the Dolphin Sigma if you want a robot with WiFi & Bluetooth.

Does the Dolphin S100 have an app?

No, the Dolphin S100 does not utilize an app, as it can be fully controlled via its power supply.

How long does Nautilus CC Plus run for?

The Dolphin S100 cleans for 2 hours. You can set the robot to run daily via its included programmable timer.

How much does Dolphin S100 weigh?

The Dolphin S100 weighs 14.818 lb.

How does Dolphin S100 work?

The Dolphin S100 works as an automatic robotic pool cleaner. It will vacuum, scrub, and automate your pool cleaning. With a plug and play design, all you need is an outlet to plug it into and you’re good to go. No booster pump or assembly needed.

Does Dolphin S100 pick up leaves?

The Dolphin S100 can pick up leaves. While not as effective as the Dolphin Premier, which includes an oversized leaf bag.

Does Dolphin S100 pick up sand, algae, or small debris?

The Dolphin S100 cannot perform as well as robots with NanoFiltration. As the mesh filters on Dolphin S100 cannot capture small particles like the newer Gen-2 NanoFilters. See all robots with NanoFiltration here.

Does Dolphin S100 come with NanoFilters?

The Dolphin S100 does not have NanoFilters. See all robots with NanoFilters here.

Does Dolphin S100 clean waterline?

No, the Dolphin S100 does not clean the waterline. The Dolphin S100 only cleans the floors and partial wall.

Does Dolphin S100 climb walls?

Yes, the Dolphin S100 can clean your pool walls. However, it does not have waterline cleaning capabilities.

Can the Dolphin S100 be plugged into an extension cord?

Yes it can!

I can power my Dolphin S100 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 S100'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 S100 is not cleaning the pool properly

If your Dolphin S100 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.

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.

There seems to be something stuck in my Dolphin S100's' tracks – how can I get it out?

To remove any debris or obstructions from your Dolphin's tracks, turn off the power supply and carefully remove the tracks from the unit. Use a soft brush or cloth to clean the tracks and remove any debris. Once clean, reattach the tracks to the unit.

The cord is connected to the robot's power unit, but the power unit LED indication is off.

If the power unit LED indication is off even when the charger is connected, please try the following steps: 1) Unplug the power supply from the outlet and wait for 10 seconds. 2) Plug the power supply back in and check if the LED indication turns on. 3) If the LED indication still does not turn on, contact Maytronics customer support for further assistance.

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.

What's Next?

Learn more about Nanofilters™, MaxBin™, and so much more to find which pool robot is right for you. Use our Pool Robot Selector to enter your pool type and find an exact match for your swimming pool's needs or read the Best Dolphin Pool Cleaner for 2024.