The ADVANTAGE ULTRA is designed for pools up to 40 feet, similar to the PRO model, but with a focus on lightweight handling and easy filter access. It features waterline scrubbing and anti-tangle swivel functionality, along with an energy-saving design. Though it lacks some premium features, the ULTRA model provides solid performance for users needing comprehensive cleaning at a mid-range price point.
Frequently bought instead
The online Dolphins shoppers choose over the ADVANTAGE ULTRA: in stock, free shipping, 30-day trial.
The ADVANTAGE ULTRA is designed for pools up to 40 feet, similar to the PRO model, but with a focus on lightweight handling and easy filter access. It features waterline scrubbing and anti-tangle swivel functionality, along with an energy-saving design. Though it lacks some premium features, the ULTRA model provides solid performance for users needing comprehensive cleaning at a mid-range price point.
Cleans the floor, walls and waterline
Built for in ground pools up to 40 ft
Top Access filtration
Programmable weekly cleaning schedule
Specs
Pool size
Up to 40 ft
Coverage
Floor, Walls and Waterline
Cleaning cycle
2 hours
Cable
60 ft
Robot weight
18.478 lb
Warranty
2 years
Brand
Dolphin
Delivery
Free 1–3 day FedEx shipping Estimated delivery from 1 business day to 3 business days near .
Fully tracked delivery to the 48 contiguous states
Authorized Dolphin Dealer
Full manufacturer warranty and U.S.-based support
The ADVANTAGE ULTRA in detail
Dolphin ADVANTAGE ULTRA is a corded robotic pool cleaner from Maytronics for in-ground and above-ground pools up to 50 ft long. It travels across the floor and climbs the walls to scrub the waterline during its standard 2-hour cycle. An active brush loosens debris, while an extra-large, top-access basket provides fine filtration.
It suits owners who want scheduled cleaning with a weekly timer, without app or remote controls. The cable includes an anti-tangling swivel. This model is sold through pool stores, and Poolbots does not sell it. This page provides model information and support resources.
Who the ADVANTAGE ULTRA is for
Dolphin ADVANTAGE ULTRA fits in-ground and above-ground pools up to 50 ft long, including rectangular, round, free-form and kidney shapes. It suits owners who want the floor, walls and waterline scrubbed by a corded cleaner with a weekly timer and no app to manage.
Floor-to-waterline coverage
Cleans the floor, climbs the walls and scrubs the waterline in a standard 2-hour cycle.
Active brush action
An active brush scrubs pool surfaces as the robot moves through its cleaning cycle.
Large basket with top access
Lift out the extra-large fine filter basket from above, open the bottom and rinse it clean.
Simple corded setup
Plug in the power supply and place the cleaner in the pool to get started.
The ADVANTAGE ULTRA up close
The ADVANTAGE ULTRA at a glance
What we like
2 High Speed Scrubbing Brushes
Energy Efficient Motors
Schedule Cleanings - Run every 24, 48, or 72 hours
Anti-Tangle Swivel - Prevents Tangles
Waterline Cleaning
What to know
Restocking Fee Up to 20%
Not a great value when compared to alternative robots
Shorter Warranty Than Premium Robots
Lacks multiple filter options - Similar units come with 2+
Better Value Units Available
ADVANTAGE ULTRA Product Video
Try It for 30 Days
Try any robot in your pool 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 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.
Weather-resistant cover protects your Dolphin ADVANTAGE ULTRA and caddy from sun, rain, and debris.
$99
Compare Dolphin ADVANTAGE ULTRA
See how the Dolphin ADVANTAGE ULTRA stacks up against the closest models by price — compare pool fit, key features, and the standout benefits of each. Want a full breakdown? Use the head-to-head links below, or chat with our pool experts.
John Rodriguez of "Poolbots" recommended the Dolphin Sigma for my 20x40 Saltwater pool. I have to say, "John was correct...this thing is a beast!" I live in the SoCal desert and the Sigma picks up the fine dirt, sand and phosphate residue. John answered all of my questions. Shipping was quick! Semper Fi — USMC 1984-1992
S
Stephano Rivera
"Patient, knowledgeable, and took the time to answer all of my questions thoroughly."
Jose provided clear and detailed information about the pool cleaners. His professionalism made the whole process stress-free.
J
Jon Olson
Local Guide · 15 reviews
I wish I would have converted my pressure side vac to an electric pool robot a long time ago. It cleans 10x better and completes my pool in 90 minutes.
T
Teresa Honeycutt
"Without her multiple emails to the company, this would never have happened."
Shannon assisted me with an ongoing issue since May 2025 with a manufacturer. She went the extra mile and followed up!
K
kdware12
3 reviews · 1 photo
Excellent customer service and super fast shipping. I highly recommend Poolbots for all your needs.
L
Larry Conti
Local Guide
"I asked to speak to a human — and was told 'I am a human!'"
I clicked "chat" expecting AI. I was so pleased this company still has human interaction. John was great.
P
pleasetakethis
6 reviews · 3 photos
I really appreciate the opportunity to try a robot and be able to swap it. Great return process and customer service.
S
Steve Waters
"A far better and more informed purchase option than Amazon."
John went out of his way to go over all the different units and what might be best for my pool. Absolutely awesome customer service.
T
Timothy Foley
"Truly treats you like family."
I had a few issues with my product, but Jose did an amazing job helping me and stayed in constant communication throughout the entire process.
J
Jaime Nahman
"Jose helped fix my incorrect shipping address... saved me a lot of grief."
His help was excellent. Quick intervention prevented a lost shipment.
S
Shane Cheatham
"Because of John, I bookmarked Poolbots and will use them for everything."
He was very knowledgeable, professional, and interested in getting you the right product — not just making a sale.
K
Kevin Miller
"John was amazing. I had no idea what I needed."
He was very patient. After giving me multiple options and explaining the differences, he offered the perfect unit for my pool.
E
Edwina Erlemann
"Call John, you won't be sorry!"
John guided me through the process of selecting the best pool cleaner robot for my needs. Very highly recommend!
A
Andrea Price
"John was correct...this thing is a beast!" Picks up the fine dirt, sand and phosphate residue in the SoCal desert. Semper Fi — USMC 1984-1992
S
Stephano Rivera
"Patient, knowledgeable, and took the time to answer all of my questions thoroughly."
Jose provided clear and detailed information about the pool cleaners. His professionalism made the whole process stress-free.
T
Teresa Honeycutt
"Without her multiple emails to the company, this would never have happened."
Shannon went the extra mile and followed up!
J
Jon Olson
I wish I would have converted my pressure side vac to an electric pool robot a long time ago. It cleans 10x better and completes my pool in 90 minutes.
L
Larry Conti
"I asked to speak to a human — and was told 'I am a human!'"
I was so pleased this company still has human interaction. John was great.
S
Steve Waters
"A far better and more informed purchase option than Amazon."
Absolutely awesome customer service from John.
K
kdware12
Excellent customer service and super fast shipping. I highly recommend Poolbots for all your needs.
T
Timothy Foley
"Truly treats you like family."
Jose stayed in constant communication throughout the entire process.
J
Jaime Nahman
"Jose helped fix my incorrect shipping address... saved me a lot of grief."
His help was excellent. Quick intervention prevented a lost shipment.
P
pleasetakethis
I really appreciate the opportunity to try a robot and be able to swap it. Great return process and customer service.
S
Shane Cheatham
"Because of John, I bookmarked Poolbots and will use them for everything."
He was very knowledgeable, professional, and interested in getting you the right product — not just making a sale.
K
Kevin Miller
"John was amazing. I had no idea what I needed."
Very patient, offered the perfect unit for my pool.
E
Edwina Erlemann
"Call John, you won't be sorry!"
Guided me through selecting the best robot for my needs.
Customer Reviews
4/5
Based on 23 verified reviews
A
ACITVerified Buyer
I purchased this for a 14x33' pool and it works great. Completely cleans the pool and the waterline in one cycle. Easy to use and easy to clean.
C
CorryVerified Buyer
It is very light robot to carry in and out of the pool. I wanted a robot that clean the waterline around my pool. Anyway this robot climb up to the waterline and front brush is rubbing against slightly above the waterline. I am quite happy with it.
B
BarbaraVerified Buyer
Purchased the product from Doheny pool supply. Purchased it to replace my old Kreepy Krauley that operated on the pools filtration system. The main reason I purchased the product was to reduce the burden on the main DE filtration system I was very disappointed to find out that the robotic cleaner does not really clean your pool. It picks up larger debris like leaves, worms, bugs, etc. but does not remove fine dirt. The fine dirt is blown through the fine screen back into the pool where the pool's main filtration system catches and removes the dirt. The water would become cloudy when I operated the Dolphin Advantage Ultra and is further evidence that the unit was merely re-suspending the fine dirt. It should referred to as a scrubber not a cleaner. That said, I still had to scrub the pools water line even after running the robot for 3-3hour cycles. I contacted product support at Doheny and their response was "I needed to run it longer". DUH!! Running it longer keeps the dirt suspended so that my main DE filter removes the dirt. They also want a 20% re-stocking fee to return the item. VERY DISAPPOINTED!!!!
B
BrianVerified Buyer
this item does not work
M
Marie PruittVerified Buyer
The best cleaner I ever used !
Write a Review
Questions & Answers
Does Poolbots charge any restocking fees in your 30 Day Trial?
No, we never charge a restocking fee ever! We know a robotic pool cleaner is a big investment, which is why we offer 30 Day Trials on all robotic pool cleaners!
How long is the Dolphin ADVANTAGE ULTRA's warranty?
As a proud Authorized Dealer for Dolphin, the Dolphin ADVANTAGE ULTRA includes a full 2 year warranty from date of purchase.
Does Dolphin ADVANTAGE ULTRA need a booster pump to work?
No! The Dolphin ADVANTAGE ULTRA 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 ADVANTAGE ULTRA 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 ADVANTAGE ULTRA work with saltwater pools?
Yes. The Dolphin ADVANTAGE ULTRA works with all types of pools, including freshwater and saltwater.
What types of pools does the Dolphin ADVANTAGE ULTRA work with?
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 ADVANTAGE ULTRA have WiFi/Bluetooth?
No, the Dolphin ADVANTAGE ULTRA does not have WiFi or Bluetooth connectivity. Look at the Dolphin Sigma if you want a robot with WiFi & Bluetooth.
Does the Dolphin ADVANTAGE ULTRA have an app?
No, the Dolphin ADVANTAGE ULTRA does not utilize an app, as it can be fully controlled via its power supply.
How long does Dolphin ADVANTAGE ULTRA run for?
The Dolphin ADVANTAGE ULTRA cleans for 2 hours. You can set the robot to run daily via its included programmable timer.
How much does Dolphin ADVANTAGE ULTRA weigh?
The Dolphin ADVANTAGE ULTRA weighs 18.478 lb.
How does Dolphin ADVANTAGE ULTRA work?
The Dolphin ADVANTAGE ULTRA 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 ADVANTAGE ULTRA pick up leaves?
The Dolphin ADVANTAGE ULTRA can pick up leaves. While not as effective as the Dolphin Premier, which includes an oversized leaf bag.
Does Dolphin ADVANTAGE ULTRA pick up sand, algae, or small debris?
The Dolphin ADVANTAGE ULTRA cannot perform as well as robots with NanoFiltration. As the mesh filters on Dolphin ADVANTAGE ULTRA cannot capture small particles like the newer Gen-2 NanoFilters. See all robots with NanoFiltration here.
Does Dolphin ADVANTAGE ULTRA come with NanoFilters?
Yes, the Dolphin ADVANTAGE ULTRA cleans the waterline.
Does Dolphin ADVANTAGE ULTRA climb walls?
Yes, the Dolphin ADVANTAGE ULTRA cleans your entire pool - including the floor, walls, and waterline.
Can the Dolphin ADVANTAGE ULTRA be plugged into an extension cord?
Yes it can!
I can power my Dolphin ADVANTAGE ULTRA 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 ADVANTAGE ULTRA'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 ADVANTAGE ULTRA is not cleaning the pool properly
If your Dolphin ADVANTAGE ULTRA 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 ADVANTAGE ULTRA'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.
