5 Best Boat Macerator Pumps For Saltwater (Pros & Cons)

Toilet waste can be a pain to deal with if you own a boat, with a boat macerator, all those problems will go away. But, the best boat macerator pumps for saltwater can be the very effective solution you’re been searching for to help you manage your boat’s toilet waste. You attach it to a toilet, and it grinds the solid waste to form a slurry texture which is easier to flow through sewage pipes. The pump will ensure that all toilet paper and solid waste are broken down to have no obstruction.

If your boat is often in saltwater, finding a boat macerator pump can be challenging. However, there are plenty of options, and you have to know what to look for when choosing the pump. This article will give you the five Best boat macerator pumps for saltwater so that they can be easy for you to choose from. Read on to the end so you can know about the products, features, and what to look for when buying them.

What Makes The Best Boat Macerator Pumps For Saltwater?

We buy a macerator pump so that it can be easier to liquefy the waste for better disposal. The pump will ensure no clogging because it can break down the trash and make it easier to pass through the waste. If you are looking for the Best boat macerator pumps for saltwater, below are the factors to consider.


The best boat macerator pumps for saltwater you want to buy should be able to fit your boat’s toilet. Even if it is compact, you have to make sure that the performance is not compromised. With a big ship, you will need a big pump, and with a small boat, you will need a small-sized macerator pump.


Ensure that the macerator pump you buy is of high quality and made with a material that cannot rust in saltwater. The blades should be made with stainless steel material, and the other parts should be made with a non-corrosive material for it to service in saltwater.


The motor is essential when choosing a pump. It has to be powerful enough without affecting the environment with noise. The pumps should not be loud, and still, they should be powerful enough to do their job. They should also have run-dry protection, which allows it to stop after working for too long automatically. That will ensure that it won’t wear off prematurely.

Top 5 Best Boat Macerator Pumps For Saltwater

1. SewerFlo Quick Release RV Macerator Pump

The SewerFlo Quick Release macerator pump is a highly recommended pump that is very affordable. It is the alternative to go for when you cannot afford the high-end brands. It is made of very high quality, making it very durable and great at its job. With a plastic casing so that the motor can be protected from debris and dirt. It is corrosion-resistant, and that means it is perfect for saltwater usage. It has triple seals in place so that there is no internal and external corrosion.

5 Best Boat Macerator Pumps For Saltwater (Pros & Cons)

The pump also has four blades so that the chopper can do its work effectively without any difficulty. The blades will cut down any solid waste, ensuring that there is no clogging. The blades are also made of stainless steel, and that ensures they last a long time. The pump also offers thermal protection so that it never runs dry, and it will never activate unless there is a waste to grind. This feature saves battery, and that ensures the life of the motor is prolonged.


  • Excellent alternatives to costly units
  • Protection from saltwater
  • Four blades for a powerful grind
  • Thermal protection for longer motor life
  • Easy to install


  • A bit loud

You may also like: What Is the Best Brand Of Used Boat To Buy? (Top 10)

2. Amarine Made 12V Self-priming RV Macerator Pump

Another model you can include in your list of the best boat macerator pumps for saltwater is the Amarine Made 12V is a macerator pump ideal for emptying toilet tanks. This pump is made of very high-quality material that is durable and long-lasting. It helps get rid of solid waste by grinding it. Another great thing about this pump is that it is effortless to install and use. The pump is excellent for use in a restricted discharge area and can also be used for live wall receptacles and a fish box.

5 Best Boat Macerator Pumps For Saltwater (Pros & Cons)

Another feature of this pump is that it has thermal protection not to grind when it is dry. That, in turn, saves on power and ensures that the pump does not undergo early wear and tear. Another feature is the four-blade design that gives the pump power to grind the waste maximally. You have to make sure that you flush the toilet tank with lots of water to get rid of any build-up. If you want the pump to work effectively, you must mount it as close to the tank as possible.


  • Four blade design
  • Easy to install and use
  • Thermo-fitted motor
  • Great for buyers on a budget


  • Shuts off frequently

You may also like: 10 Reasons Not To Buy A Center Console Boat (Voted By The Owners!)

3. Jabsco Macerator Pump

The Jabsco Macerator Pump is another of the best boat macerators pumps for saltwater used to help effectively empty marine holding tanks. You use it when you are not in a restricted recharge area and can even emptying the fish box. It is a powerful pump that comes with a magnet motor responsible for powerful performance. Its body is fully enclosed to remain protected from dirt, water, debris, and other types of elements. It also has powder-coated housing that protects it from harsh environments and ensures that it does not disintegrate.

5 Best Boat Macerator Pumps For Saltwater (Pros & Cons)

Another great feature about this pump is that the shaft is made of stainless steel. That makes it strong and tough enough to grind solid waste without using too much power. The four-blade design gives it an even better performance as there is no solid waste that can get through. The pump also has run-dry protection. This is where it cannot work or grind when there is no waste. It will automatically shut off if it is dry, saving on energy and protecting it from damage.


  • Run-dry protection
  • Four-blade design
  • Self-priming feature
  • Powerful magnet motor
  • Powder-coated housing
  • Quick waste grinding and disposal


  • Prone to leaking

You may also like: How To Keep Your Pool Clean Without Chemicals And Filters? (9 Tips)

4. Amarine Made Macerator Waste Water Pump

The Amarine Made Macerator is another Macerator pump for saltwater you can install in your boat. It can also be used with live wells and fish boxes as it will still work perfectly. It features a 12 GPM flow with a five feet self-priming. It can empty a 30-gallon toilet tank in just three minutes, making it very fast and effective. Another feature is the anti-clogging; you will be able to dislodge any clogs without removing any hoses. It also has a quad-blade chopping design so that you get free pumping with superior performance.

5 Best Boat Macerator Pumps For Saltwater (Pros & Cons)

With this pump, you will effortlessly empty waste within a very few minutes. You can also use it when emptying live wells and fish boxes. It will clear bait deposits, ice particles, and fish scales. If you find out that the pump is not working smoothly, it is time to open it up. It would be best to open it up because the inlet and outlet may not be properly aligned. If you were wondering if it will sustain saltwater, then the answer is yes. It has a fully sealed body and is made from corrosion-resistant materials. And as you can see, it does deserve to be one of the best boat macerator pumps for saltwater.


  • Fully sealed powerful motor
  • It can be used on live walls and fish boxes too
  • Anti-clogging technology
  • Four blade design


  • Un-aligned inlet and outlet ports

You may also like: 8 Reasons Not To Buy a Trawler Boat (Voted By The Owners!)

5. New SEAFLO Macerator Pump System 12V

The 12V SEAFLO macerator pump is a highly recommended and affordable pump for marine tanks. It is durable and comes with a plastic casing so that debris and dirt don’t get inside. It is excellently corrosion protected both inside and outside, which means it is safe to use when boating on saltwater. It has four blades making it very effective in breaking down all types of solid waste. That means you will have a very smooth waste flow without any clogging. The blades are also stainless steel, and that means they will last a very long period.

Another feature of this saltwater macerator pump is the thermal protection it offers. That means the pump will not run when it is dry, and it won’t activate until there is a waste, something you will want to see if you’re after the best boat macerator pumps for saltwater. It will automatically shut off when there is no waste, and that will save on energy and protect the pump. One of the disadvantages of this pump is that it is a bit noisy. When this pump runs, it can be pretty loud, especially if the boat is small.


  • Cost-efficient
  • Protected from saltwater
  • Four powerful blades
  • Thermal protection


  • Quite loud


Getting yourself one of the best boat macerator pumps for saltwater is not a luxury but something that anyone with a boat needs. It is a necessity for marine tanks to depose off waste without clogging problems effectively. The saltwater pump grinds up all the solid waste, enabling it to pass through even the smallest pipes. You want to get rid of drainage and clogging problems in your boat, and then you should get a macerator pump. It would help if you considered the recommendations above as they are all very high-quality pumps, and you cannot go wrong with any of them.


Hi, I’m John who owns multiple different boats and i love all kinds of water activities. From boating to fishing, from scuba diving to windsurfing, from water tubing to snow tubing.

Recent Posts