Dolphin s300

Maytronics Dolphin s300 robotic pool cleaner review


Product score

The scoring is based on user reviews and experiences on major online stores and our personal opinions about the product. We consider how well it works, its features, how much it costs, and how easy it is to use when we give something a score.



Table of Contents

The Dolphin s300 is Maytronics’ advanced best-selling class robot pool cleaner. It has similar features as the Dolphin s200; however, the price is higher. Let’s see the differences and if it’s worth the price.

Introducing the Dolphin s300 robot pool cleaner

Regarding robot pool cleaners, the Dolphin s300 is geared towards the premium category, an advanced model of Maytronics’ robot pool cleaners. It offers excellent features such as multi-layer filtration, regular and fast cleaning modes, app control, and other great features. Whether you need daily pool maintenance or weekly, the Dolphin s300 has everything you need. With a 60ft cable length, it is ideal for pools of a max of 50 ft long. Let’s see what this cleaning machine can offer.

Dolphin s300 design

Pros and cons

The Dolphin s300 robotic pool cleaner is a popular choice among pool owners for its many pros and few cons. On the plus side, the s300 offers app-enabled control for scheduling cleanings, distributing cleaning cycles, and performing spot treatments as needed. It is also a very energy-efficient cleaner, requiring less water, chemicals, and electricity than other models on the market. In addition, it is extremely easy to use, with no extra equipment needed beyond plugging it in and dropping it into your pool. 

Despite these benefits, however, some potential buyers may be put off by the Dolphin’s relatively high price point compared to other available options. Additionally, while this device can be found in select stores around the country, online availability may be limited – so you won’t find it on Amazon.

Nonetheless, for those looking for a powerful robotic pool cleaner that does not require much maintenance or upkeep, the Dolphin s300 can be an excellent option.

The features of the Dolphin s300

  • Smart control
  • Lightweight design
  • Waterline scrubbing
  • Easy access filter
  • Energy saver
  • Power stream mobility
  • Weekly timer
  • Multi-layer filtration system
  • Full pool coverage
  • App control

Let’s take a closer look at its key features

The Dolphin s300 robotic pool cleaner is a top-of-the-line piece of pool cleaning technology. Featuring smart control through the MyDolphin app, this robot can be operated from anywhere, anytime. In addition, it has a lightweight design that makes it easy to lift and handle, making it perfect for anyone looking for a user-friendly and efficient tool.

Dolphin s300 waterline cleaning

What’s more, the Dolphin s300 features waterline scrubbing technology that allows it to clean vertical surfaces in the pool effectively. The top-load filter access on this robotic cleaner makes cleaning quick and easy – no need to remove any parts or go searching for filter bags! Overall, the Dolphin s300 is an essential component of any modern swimming pool set-up. Whether you’re looking to keep your pool sparkling clean with ease or simply seeking the best tools out there, this robot is one good option for sure.

The Energy Saver mode allows the Dolphin s300 to use less water, chemicals, and energy when cleaning your pool, helping you to reduce your environmental impact and save money on utility costs. Additionally, the PowerStream mobility system makes it easy for the machine to navigate across any surface of the pool, from the floor to the walls and even up around the edges. And with its programmable weekly timer and cleaning cycle selector, you can rest assured that your pool will always be spotless and well-maintained.

Additional specs and features

Dolphin s300 filter

Perhaps one of its most impressive functionalities is its multi-layer filtration system, which includes integrated fine and ultra-fine filters. These unique filters allow the s300 to efficiently remove both rough and fine dirt and debris from your pool, ensuring that your water stays clean and clear at all times. Additionally, the s300’s full pool coverage allows it to effectively clean floors, walls, and even the waterline of your pool.

Another notable feature of the s300 is its MyDolphin Plus mobile app, which makes it easy to set and forget your device while you go about your day. Additionally, this app allows you to easily control the robot from anywhere at any time using your smartphone or tablet. And if that wasn’t enough, this robotic cleaner is also equipped with a powerful brush and active scrubber that easily scrubs away even stubborn dirt across different surfaces in your pool. If you’re looking for an effective robotic pool cleaner with advanced functionality, the s300 could indeed be an option.

Usability and Maintenance

The Dolphin s300 robotic pool cleaner is one of the most convenient and well-designed cleaning solutions on the market. Not only is it extremely easy to use, but its maintenance requirements are also minimal. In order to ensure that your pool cleaner continues to function properly for many years to come, it is essential to clean and maintain it regularly.

Dolphin s300 maintenance

One of the key features of this particular pool cleaner is its mobility. The wheels and scrubbing brushes help keep the unit gliding effortlessly across any surface, preventing dirt build-up and ensuring optimum performance. Additionally, you should always check to make sure that its filter basket remains empty and clear so that your Dolphin s300 can continue working at peak efficiency. The best way to achieve all of these maintenance goals is simply by taking a few minutes each time after a cleaning cycle to care for your robotic pool cleaner. With very little effort on your part, you will be able to enjoy a pristine swimming experience for years to come.

User reviews and experiences

The Dolphin s300 robotic pool cleaner is a high-quality unit that generally receives positive user reviews. Many people have praised the device for being easy to use, effective at cleaning the pool, and low maintenance. In particular, many users have commented on how the s300 is able to clear debris from hard-to-reach places in the pool and navigate effectively around walls and corners. Additionally, some users have noted that despite a higher price tag than some other high-end models, the s300 is well worth it for its impressive performance.

While a few users did express concerns regarding occasional issues with getting stuck on stairs or steps and the relatively high cost of the device, these concerns were not enough to significantly detract from the overall high user satisfaction with this model. Overall, it’s clear that most users are more than pleased with their experience using this robotic pool cleaner.


Dolphin s300 cleaning walls

The design of the Dolphin s300 robotic pool cleaner is intuitive and highly effective. With its multi-layer filtration system and active scrubbers, it is able to remove both large and fine dirt and debris from the pool with ease. Additionally, the unit’s lightweight construction, convenient storage caddy, and top load access point make it a breeze to maintain. Overall, if you are looking for a high-quality robotic pool cleaner that is simple to use and maintain the s300 could certainly be an option.

Should you buy the Dolphin s300?

Overall, the Dolphin s300 is a great robotic pool cleaner. Not only does it have many useful features and specs, but it also boasts an impressive track record of positive feedback from previous buyers. However, its high price can be a major drawback for some people.

If you want a more affordable option or are just looking to save money in general, you may want to consider alternatives like the Dolphin s200. You can find even better robot pool cleaners at similar prices, such as the Pentair Prowler 920 or Dolphin Premier.  If you find the s300 at a discounted price, it would definitely be worth picking up. There are many great things and features about the s300, so if you choose to buy this unit, you won’t be disappointed.


Dolphin s300 underwater

As technology evolves, these robotic pool cleaners are getting better and better. The s300 is a great example of that, delivering high performance and efficient cleaning. After a thorough review, it is safe to say that the positives outweigh the negatives. It is a great pool cleaner, but the price is a bit too high, so before buying this unit, you should also gather information about similar models within this price range.

Check out our review of the Maytronics Dolphin m400.

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