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Not all robotic pool cleaners are built the same. These are the machines we'd put in a pool for 40 Foot Pools — chosen for filtration, coverage, and reliability, and every one is a genuine Dolphin.
The term "robotic pool cleaner" covers everything from bargain floor-only vacuums to commercial-grade machines. When you're shopping for 40 Foot Pools, the difference between the wrong robot and the right one is filtration, coverage, and build quality — three areas where Dolphin robots by Maytronics consistently lead.
A 40-foot pool is long enough that cable length becomes a real consideration — the robot has to reach the far end from the power supply. Reach and efficient lengthwise navigation are the priorities.
For a 40-foot pool, confirm the robot's cable comfortably spans the length plus the distance to the outlet — most flagships ship with a ~60-foot cable that covers this easily. Efficient straight-line or mapped navigation cleans a long pool without wasting passes, and good side-wall climbing keeps the long walls clean.
Because we've tested the full field, these are the specific robots we recommend for 40 Foot Pools. All are Dolphin models — the brand that keeps winning head-to-head.
Gyro navigation and a long cable make quick, complete work of a 40-foot pool.
Smart coverage and a long cable reach the far end of a 40-foot pool.
Wi-Fi scheduling and thorough coverage for a long 40-foot pool.
Not sure yet? Compare the full lineup below. Every robot ships free and is backed by a manufacturer warranty.
With XXL MaxBin with NanoFilters, Waterline Cleaning, Weekly Timer, and more, the Dolphin Quantum robotic pool cleaner is one of the best pool robots.
With the Gen-2 MaxBin, HyperBrush, Weekly Timer, and Wall Climbing, experience the new generation of robotic pool cleaners with the Dolphin Cayman.
With powerful motors, MaxBin filtration, and a HyperBrush, the Dolphin Escape robotic pool cleaner paves the way as the new generation of pool cleaners.
High-tech and high-power, the Dolphin Sigma robotic pool cleaner sits at the top of the ProLine with Triple Commercial Motors, NanoFilters, Gyroscope, & More.
The only Dolphin with Multi-Media. The Dolphin Premier stands out with ProLine Commercial Motors, Powerful Scrubbing Brushes, NanoFilters, and more.
The top of the line Dolphin Explorer E70 stands out with high-tech sensors, dual-layer filter basket, and includes a caddy. Backed by a full 3-year warranty.
With Wi-Fi, waterline cleaning, and a dual-layer filter basket, shop and compare the Dolphin Explorer E50 to all the top Dolphin robotic pool cleaners.
Now with Wi-Fi, discover the 2026 Dolphin Explorer E30. With myDolphin plus app, waterline cleaning, and more, backed by a full warranty.
With wall climbing, top-loading filter, and constant power, shop the Dolphin Explorer E20 robotic pool cleaner and enjoy free shipping and the lowest prices.
With a top-loading filter basket, CleverClean filter, and constant power, the Dolphin E10 robotic pool cleaner is the perfect robot for above-ground pools.
The entry-level Dolphin Nautilus pool robot. Shop the 2026 Dolphin Nautilus Pool Up Robotic Pool Cleaner with a 1-year warranty, wall climbing, dual brushes, and a high-capacity filter bag.
Round out your robot with these popular add-ons. The solar-powered Skimmi clears floating debris off the surface your floor robot can’t reach, and the ICO smart monitor keeps your water chemistry balanced year-round.
Experience hassle-free pool maintenance with Dolphin Skimmi, the innovative solar-powered pool skimmer. Features smart navigation, debris collection, and automatic charging for continuous operation.
Buy direct from our 10,000+ unit warehouse at unbeatable prices.
Every robot is backed by a full 1–3 year manufacturer warranty.
Ships free from our warehouse, usually within one business day.
Get help from in-house pool experts before and after you buy.
Yes — flagship models like the Sigma and Quantum ship with a ~60-foot cable, which reaches the far end of a 40-foot pool plus the distance to the power supply.
Efficient navigation helps a 40-foot pool get cleaned completely without wasted passes. Gyroscopic navigation is ideal for long pools.
Around 2.5 to 3 hours depending on width, depth, and cycle.
Compare every Dolphin side by side, or talk to a pool-robot specialist to find your perfect match.
