
Hey there, fellow mariners! I’m Nate, the founder of MM-SEAS. I know firsthand that USCG Merchant Mariner Credential renewal can feel like navigating a storm without a compass. But that’s exactly why we built MM-SEAS to turn the whole process into smooth sailing. Discover how our software makes USCG MMC renewal easier and faster, so you can get back to doing what you love.
If you're like most mariners, you've got paperwork scattered everywhere, from your glove box to your desk drawer. MM-SEAS changes the game by giving you a digital home for all your sea service records, training certificates, and renewal documents. And guess what? We’ll even do the math for you, automatically counting up your sea days so you can skip the headaches.

• A secure, organized space for all your maritime documents no matter if you're working as a charter boat captain, a chief engineer running the engineering department, or an Able Seaman keeping the deck department running smoothly, we've got your back.
• Automatic tracking of your sea days to meet USCG license renewal requirements.
• Reminders when your documents are close to expiring, so you stay ahead of deadlines such as your drug test and medical.
Let’s be real, renewing your MMC can feel like you’re jumping through hoops. Whether it’s figuring out if you need to renew your TWIC or the latest drug test requirements, we guide you through every step with checklists and reminders built right into the software. No more guesswork, no more stress.

• Personalized checklists that map out your exact steps for captains license renewal so your application packet is perfect.
• Clear guidance on everything from medical certificates to sea service forms.
• Tips and tricks to streamline your submission to the Coast Guard, including how to navigate the grace period for license renewal.
Ever spent hours filling out the CG-719B form, only to realize you missed a box, like not asking for the right tonnage? I’ve been there too. That’s why MM-SEAS guides you through the process step-by-step, ensuring that you enter the right information every time. Our software helps you create a complete, error-free application, so you can say goodbye to the frustrating 'back and forth' with the USCG over missing details in your USCG license renewal paperwork.
Get step-by-step guidance for completing the CG-719B and other essential forms. Our software ensures your USCG MMC renewal application is accurate and complete before submission. When you're ready, we can build your application for you and handle all communications with the Coast Guard for $399, or you can submit your documents on your own.
MM-SEAS Expert Access is $99 a year. It is your personal guidance counselor for USCG licensing: what training you need next, which sea time counts, and how to reach the credential you want, by phone, email, chat or a 1 on 1 video call. Expert Access members also get $50 off a Stress-Free MMC.
• Unlimited one-on-one video calls with USCG experts.
• Hands-on help for every step of your renewal or upgrade.
• The option for us to handle your entire application, no fuss, no hassle.
I built MM-SEAS because I understand the pain of dealing with USCG paperwork. Our mission is simple: make the whole merchant mariner credential renewal process easier, faster, and stress-free. With our all-in-one software, you’ll save time, avoid costly mistakes, and keep your career moving forward.
• Free to use for basic features, with affordable Expert Access upgrades for personalized help.
• Comprehensive support for all your USCG credential needs, renewals, upgrades and new licenses.
• Built by mariners, for mariners, because we know what you’re up against.
• Ready to see how MM-SEAS can make your next renewal a breeze? Dive in and give it a try today.
If you're working on your USCG license renewal, we have everything you need to succeed. Explore our tailored guides for renewing your Six-Pack license, 25 Ton license, 50 Ton license, or 100 Ton Captain license. Start with the Ultimate USCG License Renewal Checklist for a complete overview and ensure a stress-free renewal process.
Let us handle the paperwork while you focus on what really matters, getting back out on the water!
Nate Gilman is President and Co-Founder of MM-SEAS. He hawsepiped from the deck to a 3rd Mate Unlimited license with full STCW compliance over more than 15 years at sea, and is a veteran of the NOAA Commissioned Corps. He works directly with the National Maritime Center, USCG-approved training schools, and vessel operators on credentialing policy, and writes on sea service documentation, evaluation standards, and how mariners move up the license ladder.