Dolphin Oasis z5i pool cleaner review 2021: Specs, Features, Pros & cons

Dolphin Oasis Z5i

Dolphin have long been leading the way when it comes to robotic pool cleaners. With top of the line designs and features there’s a Dolphin to meet the needs of any pool owner. We’ve decided to take a look Dolphin Oasis Z5i to see if its price matches its performance.

dolphin Oasis z5i quick review

The Dolphin Oasis Z5 by Maytronics is an advanced robotic pool cleaner designed to take the stress of pool maintenance away giving you more time to enjoy your pool. Designed for in-ground pools made of plaster, tile or vinyl.

The Dolphin Oasis uses its patented anti-tangle swivel cable which allow it to easily navigate pools of up to 50ft without becoming tangled. It also features CleverClean technology that maps of the most efficient route in which to clean your pool while also being able to navigate any obstacles in its path.

With two extra large filter compartments, the Dolphin Oasis Z5i has double the filter capacity with top load access meaning no more turning over the cleaner to clean out the debris. The Oasis Z5i uses powerful split brushes in the front and back to aggressively remove dirt and algae while its dual commercial drive motors enable it to pivot on the spot like a tank allowing it to get out of any tricky situation.


  • Powerful scrubbing
  • Easy access filters
  • Efficient at cleaning
  • Energy efficient
  • 3 year warranty
  • Weekly scheduler¬†


  • Expensive
  • Heavy

Dolphin Oasis z5i specs

  • Manufacturer: Maytronics
  • Brand: Dolphin
  • Model: Oasis Z5i
  • Pool type: In-ground
  • Cycle time: 2.5 hours standard
  • Weekly scheduler: Yes
  • WIFI connectivity: Yes
  • Dimensions: 20″ x 15″ x 15″

Now let’s take a closer looks at the Dolphin Oasis Z5i’s features and benefits.

CleverClean technology

CleverClean technology allows the Dolphin Oasis Z5i to map out the optimal path in which to clean your pool, allowing for an efficient clean. It also ensures that the Oasis Z5 performs a thorough clean making sure no spots are missed. This feature also allow your it to detect objects in its path and navigate around them.

MyDolphin App

This gives you access to features such as a weekly timer scheduler, and also allows you to manually control the Dolphin Oasis Z5i via your mobile device, or tablet. This can be great if you need to do any spot cleaning around your pool.

Anti-tangle swivel cable

The Dolphin Oasis Z5 features a 60ft floating Anti-tangle swivel cable that allows it to freely navigate your pool without becoming tangled during its cleaning cycle. This feature is great because it means you’re able to leave it to clean unsupervised knowing you’re not going to come back to find it tangled around its own cord.

Dual Layered Filtration

The Dolphin Oasis Z5i uses two different filters types to aid in its cleaning, one ultra fine filter made out of pleated polyester designed for dust like particles, and a fine filter made out of mesh designed for larger bits of debris like leaves and sticks. These filters are easily accessed through the top of the cleaner allowing for a stress free clean.

Dolphin Oasis z5 User reviews

When checking out reviews it’s clear to see that across the board the Dolphin Oasis Z5i provides an excellent clean.

Many users complimented this cleaner for its easy plug and go operation while also being highly reliable when it comes to being able to clean pools unsupervised.

One of the most significant points was made in relation to the Dolphin Oasis’s ability to provide an efficient clean while still being thorough at the same time. Users liked the fact that it could handle debris of all sizes due to its dual layered filtration.

Users also liked the fact that the Dolphin Oasis was able to handle cleaning stairs, an area where most cleaners struggle with.

Some users did mention that the Oasis can struggle scaling the pool walls if they had an excessive build up of algae, but they said this wasn’t a make or break issue.

Dolphin Oasis Z5i

Dolphin Oasis z5i pool cleaner Summary

Though the Dolphin Oasis Z5i is priced on the higher end when it comes to robotic pool cleaners, we feel like its top of the line design and excellent features make up for the higher price tag. We like the fact that it provides an efficient yet thorough clean, while also being highly reliable when it comes to cleaning unsupervised.

We also liked the fact that this model had top loaded filters meaning the cleaner didn’t have to be turned upside down in order for the filters to be cleaned. This made cleaning the filters efficient, and stress free.

If you’re looking at investing in a premium robotic pool cleaner then we definitely think that the Dolphin Oasis Z5i is a pool cleaner worth considering.

Click here to get yours today.

If you are looking for a more affordable cleaner that still packs great features then we recommend checking out the dolphin Nautilus Cc Plus.

The Morris's

The Morris's

Hey, we're Lana and Cam the creators of this site. We love to spend time together as a family, and time in our pool. We're here to bring you the best info on pool care, pool cleaners, and other great pool related products.

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