Hi, my name is Bob Harris, owner and lead diver at Pro-Tech. For all of your underwater maintenance needs, turn to us! My team and I offer a broad range of expert diving services to match your needs and budget. If you’re looking to extend the lifespan and improve the performance of your boat or yacht, read on. You have come to the right place.

Boat Bottom Cleaning

We take pride in offering superior boat bottom and hull cleaning services at affordable rates. Our skilled staff works on boats of all shapes and sizes, from small speed boats to luxury yachts.

Zinc Replacement

Our zinc replacement services will help protect your boat’s hull, propeller, gears, and more from corrosion and electrolysis. I handle all zinc replacements myself to ensure the utmost precision and long-lasting results.

Maintenance & Mechanical Work

Pro-Tech also provides an array of underwater maintenance services, such as prop removal and replacement. If you just need a basic inspection, give us a call. We will be happy to assist you.

Why Pro-Tech?

  • Our excellent reputation in the boating community sets us apart. Over the last 30 years, we have earned countless referrals from brokerages, yacht owners, and dockmasters.
  • We employ proven, advanced maintenance strategies to make your paint job last for as long as possible.
  • As Pro-Tech’s founder and lead diver, I am involved in every aspect of my business to ensure safety, quality, and 100% customer satisfaction.
  • Even my competitors rely on me for training and assistance, particularly when it comes to mechanical work. I have been asked to share my knowledge and wisdom with divers at many of the region’s top diving companies.
  • I’m a minister with several degrees in theology, so you can rest easy knowing I will serve you with honesty and integrity.
  • My team and I will create a custom underwater maintenance program just for you, based on the condition of your boat and your budget. Our packages feature boat hull cleaning, prop removal, zinc replacement, and more.
  • Our prices are competitive with anyone in the industry, and we take pride in giving our clients the best all-around maintenance value in LA County.

Call Now for Your Free Consultation


Based in Marina Del Rey, CA, Pro-Tech is your best source for boat bottom cleaning, underwater maintenance, zinc replacement, and more. We feature state-of-the-art equipment and technology, offering a range of affordable service packages to meet your needs. We are licensed, fully insured for your protection, and we serve clients all throughout the area. For your FREE, no-obligation consultation and quote, contact us today at: