About Us

Standing Tide was founded by Sansu Marine LLC. to address the growing need for dependable, qualified crew support for U.S.-flagged vessels. Built on decades of combined industry experience, our team is made up of maritime professionals who understand the operational, regulatory, and logistical challenges of vessel staffing. From commercial towing and offshore supply to research and expeditionary vessels, we provide tailored crewing solutions that prioritize compliance, reliability, and performance. Standing Tide exists to streamline the crewing process and deliver mission-ready personnel—wherever and whenever they’re needed.