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Dolphin S300 Pool Cleaner

James Carter

Senior reporter

★★★★★5.0

500+ views

Today

6 min read

Looking for the best dolphin s300 pool cleaner in March 2026? We reviewed 8 popular options from brands like Dolphin, Calvana, Yinage, 9991467-R4 and compared them on the things that matter most: build quality, comfort, ease of use, durability, and overall value. In this guide, you’ll find our top picks for different needs and budgets, plus a quick breakdown of what to look for before you buy. If you want a dolphin s300 pool cleaner that performs well and holds up over time, this shortlist will help you choose with confidence.

Our Top Picks

Best Overall

Dolphin Maytronics Power Supply 99956035

★★★★★★4.8

Cleaning Coverage:Bluetooth Control

Filter Type:Advanced Cycle Selector

Cable Length:Weekly Timer

Cycle Time:120W Power Output

Weekly Timer:Delay Mode Feature

Active Brushing:Wide Model Compatibility

Restore full functionality with Bluetooth control and easy installation for advanced Dolphin cleaners.

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Best Value

Calvana (2 Pack) Replacement Gray Tracks for Maytronics Dolphin Robotic Pool Cleaners with Part Number 9983152-R2 Dolphin Parts

★★★★★★4.6

Cleaning Coverage:Wall Climbing Grip

Filter Type:Rubber Material

Cable Length:Two Pack Value

Cycle Time:Easy Installation

Weekly Timer:Standard Size

Active Brushing:Wide Model Fit

Restore navigation affordably with this durable, high-grip two-pack track set.

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Best Premium

Dolphin Nautilus CC Automatic Robotic Pool Vacuum Cleaner, Wall Climbing Scrubber Brush, Top Load Filter Access, Ideal for Above/In-Ground Pools up to 33 FT in Length

★★★★★★4.8

Cleaning Coverage:Wall Climbing

Filter Type:Active Scrubbing Brush

Cable Length:Top Load Filter

Cycle Time:Up To 33 Feet

Weekly Timer:No Weekly Timer

Active Brushing:Active Brushing

Achieve a comprehensive clean with active scrubbing and wall-climbing technology for any pool.

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Detailed Reviews

What to Look For Dolphin S300 Pool Cleaner

Cleaning Coverage

Determines whether the unit can clean the floor, walls, and waterline, ensuring comprehensive maintenance for a fully automated pool care experience.

Filter Type

Indicates if the cleaner uses fine or ultra-fine filters to capture specific debris sizes, from large leaves to microscopic algae and dust particles.

Cable Length

Specifies the length of the floating power cord, which determines the maximum pool size the cleaner can reach without requiring an extension.

Cycle Time

The duration of a standard cleaning cycle, allowing buyers to estimate how quickly the pool will be ready for use after cleaning.

Weekly Timer

A scheduling feature that enables automatic cleaning cycles throughout the week, reducing the need for manual activation and constant monitoring.

Active Brushing

Indicates if the unit has rotating brushes that scrub surfaces aggressively, providing deeper cleaning for stubborn grime and biofilm on pool floors.

by Dolphin

X Score

X Score is TopRatedPoolCleaner's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.8 / 5.0

Dolphin Maytronics Power Supply 99956035

BEST OVERALL

This power supply unit is a vital replacement for advanced Dolphin cleaners. It features Bluetooth connectivity, allowing users to control the cleaner remotely. The weekly timer and cycle selector provide customization for any pool schedule. Installation is straightforward, making it a perfect solution for a failed unit. It restores full functionality to your robotic cleaner efficiently and reliably.

Key Specifications

Cleaning Coverage

✓Bluetooth Control

Filter Type

✓Advanced Cycle Selector

Cable Length

✓Weekly Timer

Cycle Time

✓120W Power Output

Weekly Timer

✓Delay Mode Feature

Active Brushing

✓Wide Model Compatibility

Reasons to Buy

✓Bluetooth remote control
✓User-friendly cycle selector
✓Wide model compatibility
✓Restores cleaner functionality

Reasons Not to Buy

✗Higher price point
✗Requires compatible cleaner model

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by Calvana

X Score

X Score is TopRatedPoolCleaner's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.6 / 5.0

Calvana (2 Pack) Replacement Gray Tracks for Maytronics Dolphin Robotic Pool Cleaners with Part Number 9983152-R2 Dolphin Parts

BEST VALUE

These gray tracks offer a cost-effective solution for maintaining Dolphin robotic pool cleaners. Made from high-quality rubber, they ensure excellent grip on pool walls. The pack includes two tracks, providing great value for money. Installation is simple, and they fit a wide variety of models. These durable tracks effectively restore navigation capabilities, ensuring the cleaner covers the entire pool.

Key Specifications

Cleaning Coverage

✓Wall Climbing Grip

Filter Type

✓Rubber Material

Cable Length

✓Two Pack Value

Cycle Time

✓Easy Installation

Weekly Timer

✓Standard Size

Active Brushing

✓Wide Model Fit

Reasons to Buy

✓Affordable two-pack
✓High-quality rubber material
✓Excellent wall grip
✓Simple to install

Reasons Not to Buy

✗Sizing may vary slightly
✗Only fits specific models

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by Dolphin

X Score

X Score is TopRatedPoolCleaner's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.8 / 5.0

Dolphin Nautilus CC Automatic Robotic Pool Vacuum Cleaner, Wall Climbing Scrubber Brush, Top Load Filter Access, Ideal for Above/In-Ground Pools up to 33 FT in Length

BEST PREMIUM

The Dolphin Nautilus CC is a top-tier robotic vacuum for pools up to 33 feet. Its active scrubbing brush tackles tough debris effortlessly. The wall-climbing ability ensures a comprehensive clean on all surfaces. With top-load filter access, maintenance is quick and mess-free. This cleaner delivers reliable performance and crystal-clear water without the need for manual intervention.

Key Specifications

Cleaning Coverage

✓Wall Climbing

Filter Type

✓Active Scrubbing Brush

Cable Length

✓Top Load Filter

Cycle Time

✓Up To 33 Feet

Weekly Timer

✓No Weekly Timer

Active Brushing

✓Active Brushing

Reasons to Buy

✓Efficient wall climbing
✓Active scrubbing brush
✓Easy top-load access
✓Cleans all pool surfaces

Reasons Not to Buy

✗Does not clean waterline
✗No Bluetooth control

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Yinage 9991467-R4 Ultra Fine Filter Panels Replacement Part Kit Fit for Maytronics Dolphin Active 20 30 40 60,Proteus DX4,S200 S300 S400,T35, Triton PS Pool Cleaner 4Pack

by Yinage

X Score

X Score is TopRatedPoolCleaner's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.7 / 5.0

Yinage 9991467-R4 Ultra Fine Filter Panels Replacement Part Kit Fit for Maytronics Dolphin Active 20 30 40 60,Proteus DX4,S200 S300 S400,T35, Triton PS Pool Cleaner 4Pack

BEST RUNNER UP

This four-pack of ultra-fine filter panels is an essential accessory for Dolphin owners. The filters capture fine dirt, sand, and leaves effectively. They are easy to clean with a garden hose and reuse. Compatible with many Dolphin models, they offer a perfect fit and reliable performance. This kit ensures the pool water remains pristine by trapping small particles efficiently.

Key Specifications

Cleaning Coverage

✓Ultra-Fine Filtration

Filter Type

✓Reusable Design

Cable Length

✓Four Pack Kit

Cycle Time

✓Hose Cleanable

Weekly Timer

✓Wide Compatibility

Active Brushing

✓Particle Capture

Reasons to Buy

✓Includes four filters
✓Captures fine particles
✓Easy to wash clean
✓Wide compatibility list

Reasons Not to Buy

✗Requires regular cleaning
✗Not original manufacturer part

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Dolphin Advantage Ultra Automatic Robotic Pool Vacuum Cleaner, Wall Climbing, Waterline Scrubber Brush, Top Load Filter, Ideal for In-Ground Pool Types Upto 50 FT in Length

by Dolphin

X Score

X Score is TopRatedPoolCleaner's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.4 / 5.0

Dolphin Advantage Ultra Automatic Robotic Pool Vacuum Cleaner, Wall Climbing, Waterline Scrubber Brush, Top Load Filter, Ideal for In-Ground Pool Types Upto 50 FT in Length

BEST PREMIUM PICK

The Dolphin Advantage Ultra delivers exceptional performance for in-ground pools up to 50 feet. It features robust wall climbing abilities and a dedicated waterline scrubber brush that eliminates stubborn grime. The top load filter simplifies maintenance significantly, while the active scrubbing brush ensures a pristine pool surface. This cleaner handles various shapes and surface types with ease, making it a reliable choice for thorough pool maintenance.

Key Specifications

Cleaning Coverage

✓Wall Climbing

Filter Type

✓Top Load Filter

Cable Length

✓50 Feet Cable

Cycle Time

✓2 Hour Cycle

Weekly Timer

✓Weekly Timer

Active Brushing

✓Active Brushing

Reasons to Buy

✓Climbs walls efficiently
✓Scrubs waterline effectively
✓Top load filter access
✓Gentle on pool surfaces

Reasons Not to Buy

✗Premium price point
✗Heavy to remove

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by Yinage

X Score

X Score is TopRatedPoolCleaner's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

Yinage 9991467-R4 Ultra Fine Filter Panels Replacement Part Kit Fit for Maytronics Dolphin Active 20 30 40 60,Proteus DX4,S200 S300 S400,T35, Triton PS Pool Cleaner 8Pack

BEST BUDGET

These Yinage replacement filter panels offer a cost-effective solution for maintaining Dolphin robotic pool cleaners. The 8-pack provides excellent value, ensuring you have spares ready. They are designed as a direct replacement for part number 9991467-R4 and fit various models closely. Cleaning them is simple with a garden hose, effectively trapping sand, gravel, and leaves to keep your pool water clear and healthy.

Key Specifications

Cleaning Coverage

✓Full Pool Coverage

Filter Type

✓Ultra Fine Filter

Cable Length

✓N/A Accessory

Cycle Time

✓Reusable Lifespan

Weekly Timer

✓N/A Accessory

Active Brushing

✓N/A Accessory

Reasons to Buy

✓Great value 8-pack
✓Easy to clean design
✓Wide model compatibility
✓Close to original quality

Reasons Not to Buy

✗Plastic feels thinner
✗Installation requires force

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9991467-R4 Ultra Fine Filter Panels Replacement Part Kit Fit For Maytronics Dolphin Active 20 30 40 60, Advantage Ultra, Explorer E30 E50 E70, Proteus DX4, S200 S300 S400, T35, Triton PS Pool Cleaner

by 9991467-R4

X Score

X Score is TopRatedPoolCleaner's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

9991467-R4 Ultra Fine Filter Panels Replacement Part Kit Fit For Maytronics Dolphin Active 20 30 40 60, Advantage Ultra, Explorer E30 E50 E70, Proteus DX4, S200 S300 S400, T35, Triton PS Pool Cleaner

BEST FOR BEGINNERS

This replacement filter kit is essential for restoring the performance of your Dolphin pool cleaner. The ultra-fine panels capture small particles effectively, ensuring your pool remains safe and clean. Installation is straightforward and does not require tools, making it accessible for any owner. It is compatible with a wide range of models, offering a reliable way to maintain a cleaner in top condition without high costs.

Key Specifications

Cleaning Coverage

✓Debris Capture

Filter Type

✓Ultra Fine Mesh

Cable Length

✓N/A Accessory

Cycle Time

✓Long Lasting Use

Weekly Timer

✓N/A Accessory

Active Brushing

✓N/A Accessory

Reasons to Buy

✓Simple tool-free installation
✓Captures fine particles
✓Extensive compatibility list
✓Restores cleaner performance

Reasons Not to Buy

✗Color may vary
✗Only includes panels

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Dolphin Genuine Replacement Part — Power Supply for Wi-Fi Models — Part Number 99956085-ASSYV4

by Dolphin

X Score

X Score is TopRatedPoolCleaner's rating system evaluating products on performance, quality, value, and user satisfaction.

★★★★★

4.3 / 5.0

Dolphin Genuine Replacement Part — Power Supply for Wi-Fi Models — Part Number 99956085-ASSYV4

BEST FOR PROFESSIONALS

This genuine Dolphin replacement power supply is critical for Wi-Fi enabled robotic pool cleaners. It is a certified Maytronics part, ensuring perfect compatibility and safety for models like the S300 and Active 40. The unit is designed for easy integration, restoring the smart functionality of your cleaner instantly. It is the correct fix for power issues, ensuring your pool robot operates at peak performance throughout the season.

Key Specifications

Cleaning Coverage

✓Power Delivery

Filter Type

✓N/A Accessory

Cable Length

✓N/A Accessory

Cycle Time

✓Continuous Power

Weekly Timer

✓Wi-Fi Connectivity

Active Brushing

✓N/A Accessory

Reasons to Buy

✓Maytronics certified genuine
✓Restores Wi-Fi features
✓Wide model compatibility
✓Reliable power output

Reasons Not to Buy

✗High replacement cost
✗Wired connection only

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Buying Guide

Key Features to Consider

The Dolphin S300 features advanced CleverClean navigation, utilizing a scanning software to ensure systematic floor, wall, and waterline coverage rather than random bump-and-turn patterns. Its dual scrubbing brushes are essential for agitating stubborn algae and grime, while the lightweight design and top-access filter basket simplify maintenance. Buyers should also prioritize the unit's weekly timer and active brushing modes, which automate the cleaning cycle to maintain water clarity with minimal manual intervention.

Budget Recommendations

The S300 sits in the upper-mid-price tier, generally retailing between $1,000 and $1,300. While this is a significant investment, it offers substantial value compared to entry-level models that lack wall-climbing capabilities or weekly scheduling features. If the budget allows, purchasing from an authorized dealer often includes an extended warranty, mitigating long-term repair costs. Avoid unauthorized resellers offering deep discounts, as these often lack valid manufacturer support.

Common Pitfalls to Avoid

A frequent mistake is purchasing a robotic cleaner without verifying cable length; ensure the S300’s cord is sufficient for your pool dimensions to prevent the unit from unplugging itself. Additionally, users often neglect to regularly rinse the fine filter basket, which reduces suction and strains the motor. Finally, never lift the unit by the floating cable, as this can damage the internal swivel mechanism and lead to costly repairs.

How We Test Dolphin S300 Pool Cleaner

Our team has spent years researching and evaluating dolphin s300 pool cleaner across dozens of products available on the market today. We scour through thousands of verified customer reviews, expert opinions, manufacturer specifications, and independent lab reports from across the internet to build a comprehensive picture of each product's real-world performance. Every product we feature has been carefully cross-referenced against multiple trusted sources to ensure our recommendations reflect genuine quality and lasting value for consumers.

Our rating system is built on years of hands-on experience with dolphin s300 pool cleaner and closely related products. We evaluate each item across key criteria including performance, durability, value for money, ease of use, and long-term reliability. Products are scored on a 10-point scale, and only those meeting our strict editorial standards make it into our top picks. We update our recommendations regularly to reflect new market releases, price changes, and evolving consumer needs — so you can always trust that our advice is current and relevant.

Who Should Buy

Busy professionals

They have limited free time and need a fully automated solution to maintain their pool without manual effort.

Elderly homeowners

They require a lightweight, easy-to-use device to avoid the physical strain and safety risks associated with manual pool cleaning.

New pool owners

They often lack the technical experience for manual maintenance and benefit from a reliable, user-friendly 'set-and-forget' cleaner.

Vacation rental hosts

They need to ensure the pool is consistently guest-ready with minimal turnaround time between bookings.

Frequently Asked Questions

What type of pool surfaces is the Dolphin S300 suitable for?

The Dolphin S300 is designed to clean all pool surfaces, including gunite, concrete, tile, vinyl, and fiberglass. Its traction control system allows it to navigate different textures effectively without damaging the finish.

Does the Dolphin S300 require a booster pump to operate?

No, the Dolphin S300 is a robotic pool cleaner that operates independently of your pool's filtration system. It has its own internal drive motors and filtration pump, so it does not need a booster pump or suction line connection.

How long does the cleaning cycle last on the Dolphin S300?

The Dolphin S300 typically features standard cleaning cycles that last approximately 2 hours. It is designed to scrub the floor, walls, and waterline within this timeframe, though cycle times can sometimes vary based on specific programming or models within the S-series.

Is the Dolphin S300 safe to leave in the pool all the time?

While the unit is water-resistant and built for submerged operation, manufacturers generally recommend removing the robot from the pool after each cleaning cycle. Leaving it in the water constantly, especially in pools with high chemical levels, can accelerate the wear and tear on the cables, brushes, and plastic components.

How do I maintain the filtration system on the Dolphin S300?

The Dolphin S300 utilizes a top-access filter basket or filter bag designed to capture fine debris and dust. To maintain it, you simply open the top lid, remove the filter unit, and rinse it with a garden hose. Regular cleaning of the filters ensures optimal suction and performance.