What Tri Sea Stabilizers does

Tri Sea Stabilizers is a privately held, veteran-owned marine services company founded in 2017 and headquartered in Islamorada, Florida. It is the largest authorized Seakeeper dealer and service provider in the United States, operating exclusively in the Seakeeper product ecosystem across six physical locations in the Florida Keys, Fort Lauderdale, Miami, Tampa, Pensacola, and Wilmington, North Carolina. The company sells, installs, and services Seakeeper vacuum-encapsulated gyro stabilizers (models covering 22-foot boats through 165+ foot superyachts) and the Seakeeper Ride Vessel Attitude Control System for smaller 19-35 foot vessels, with related extended warranty programs, parts, and mounts. Customers include recreational and sport fishing boat owners, luxury yacht owners and charter operators, OEM boat builders such as Grady White and Viking Yachts, and government clients including the U.S. Army and Patrick Air Force Base.

The underlying technology the company distributes is Seakeeper's proprietary gyroscopic stabilization platform: a vacuum-encapsulated flywheel spinning at high speed within a helium-filled sphere, water-cooled via a glycol/seawater heat exchanger, with patented active control programming that senses sea state and reacts without manual input. The Seakeeper Ride system adds transom-mounted rotary blades commanded by proprietary inertial sensing software to counteract pitch, roll, and yaw underway. Tri Sea earns revenue through one-time unit sales and installation labor, recurring annual service contracts, extended warranty tier sales (Silver, Gold, Platinum), and parts. Pricing is quote-based and not publicly disclosed.

The business model is enterprise field sales combined with a mobile service operation: sales engineers perform site visits and secure Seakeeper engineering performance predictions before quote, payments are staged across deposit, 50% labor, and final pre-sea-trial milestones, and certified Master Technicians service a multi-state geographic footprint. Go-to-market is reinforced by sponsorship of major billfish tournaments, presence at Florida boat shows, demo sea trials, an educational SEO blog, and a 13,000-follower Instagram channel. The company has won Seakeeper Dealer of the Year for four consecutive years (2022-2025) and in 2025 became the first dealer in Seakeeper history to sweep the Dealer of the Year, Best in Service, and Best in Marketing awards in a single year.

Name

Tri Sea Stabilizers

Legal name

Tri Sea Stabilizers

Website

https://triseakeeper.com

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

11–50 employees

Short description

Tri Sea Stabilizers is the largest authorized Seakeeper dealer and service provider in the United States, selling, installing, and servicing Seakeeper gyro stabilizers and Seakeeper Ride VACS across six Florida and North Carolina locations for recreational boat owners, yacht owners, OEM builders, and government clients.

Ownership category

akta.pro rank

Product category

Marine Stabilization Equipment

NAICS

Ship Building and Repairing (336611)

SIC

Ship & Boat Building & Repairing (3730)

akta.pro primary industry

Retrofits & Modernization (Scrubbers, Ballast Water, Alternative Fuels, Energy-Saving Devices) (IMAJAFAH)

akta.pro secondary industries

Marine Outfitting & Interior Refurbishment (TLAKAKAL), Piping, HVAC & Auxiliary Systems Repair (TLAKAKAH)

Keywords

• Marine gyro stabilizers
• Boat stabilization systems
• Gyro stabilizer installation
• Vessel attitude control
• Marine equipment dealer

Headquarters

HQ city

Islamorada (Florida Keys)

HQ country

United States

HQ region

North America

Offices6 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Supply Chain, Infrastructure

Revenue model

1. Seakeeper Gyro Stabilizer Sales and Installation: Sale of Seakeeper gyro stabilizer units (models 1 through 40) plus professional installation, refit management, site visits, performance engineering predictions, and sea trials. Multi-stage payment: deposit for unit + taxes + shipping upfront, 50% labor before installation, final payment before sea trial and vessel departure.
2. Seakeeper Ride Sales and Installation: Sale and installation of Seakeeper Ride Vessel Attitude Control System (VACS) models 450, 525, and 600 for boats 19–35 feet. Includes hole shot control, coordinated turn, auto trim, and list/level functions.
3. Annual Service and Maintenance: Annual service contracts covering fluid replacement, accumulator replacement, component inspection, and repairs. Seakeeper units require annual servicing. Performed by certified mobile master technicians.
4. Extended Warranty Programs: Extended warranty tiers — Silver (adds 2 years, 2000 hours total), Gold (adds 2 years + 1000 hours, 3000 total), Platinum (adds 3 years + 2000 hours, 4000 total). Company reported over $1,000,000 in warranty sales.
5. Parts and Mounts: Replacement parts including Torx mounts, accumulators, fluids, and custom fabricated mounting solutions for Seakeeper installations.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels7 records

Core offering

Tri Sea Stabilizers sells, installs, and services Seakeeper marine gyro stabilizers and the Seakeeper Ride Vessel Attitude Control System (VACS) for recreational boats, sport fishing vessels, yachts, and government/OEM customers. The company delivers the full lifecycle — engineering-based sizing predictions, custom installation, mobile annual servicing, replacement parts, and tiered extended warranty programs — across six locations in Florida and North Carolina.

Product overview

Tri Sea Stabilizers operates as an Elite Seakeeper Dealer offering a comprehensive portfolio of marine gyro stabilization products. The core offering consists of Seakeeper gyro stabilizers (models 1-35+ and newly introduced 10.5 and 14) that eliminate up to 95% of boat roll using vacuum-encapsulated flywheel technology. These are complemented by Seakeeper Ride, a Vessel Attitude Control System (VACS) that eliminates up to 70% of pitch and roll underway using transom-mounted rotary blades with proprietary inertial sensing. The company provides full lifecycle services including professional installation, annual maintenance, and extended warranty programs (Silver, Gold, Platinum tiers). Products range from compact DC-powered units for boats as small as 23 feet to large AC-powered systems for superyachts exceeding 165 feet. Tri Sea is the largest Seakeeper service provider in the United States with 6 locations across Florida and North Carolina.

Differentiator

Problem solved

Functional benefit

Products and services

• Seakeeper Gyro Stabilizers Vacuum-encapsulated gyro stabilizers that eliminate up to 95% of boat roll using spinning flywheel technology. Available in models ranging from Seakeeper 1 (for boats 23-30 feet, DC powered) to Seakeeper 40 (for vessels 165+ feet, AC powered), sold and installed by Tri Sea.
• Seakeeper Ride Vessel Attitude Control System (VACS)

Quantifiable outcome

• Up to 95% boat roll reduction
• +4 more outcomes

Named customers5 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

AI capability2 records

Feature5 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• SeakeepercoreChannel Partner/ Reseller/ DistributorTri Sea Stabilizers is an authorized, factory-certified Seakeeper dealer and installer operating exclusively in Seakeeper products across Florida and North Carolina. They are the largest Seakeeper service provider in the US, performing installations and service on vessels from 22 feet to 165+ feet. They also won Seakeeper Ride Sales Dealer of the Year globally.
• Pensacola Marine CentercoreStrategic or Co-development PartnerPensacola Marine Center (formerly Pensacola Shipyard), led by Bob Anderson with 3 decades of yard management experience, invited Tri Sea to set up a Seakeeper service support shop at the facility. The partnership enables Tri Sea to serve the Florida Panhandle and Gulf Coast with a physical location for mobile service technicians and traveling clients. Tri Sea plans to expand to include installations at this location.
• Patrick Air Force BaseminorStrategic or Co-development PartnerTri Sea received a direct bid invitation from Patrick Air Force Base for Seakeeper installations on government vessels. The company holds SAMS membership enabling direct government contracting, separate from the Army vessel contracts also awarded to them.
• U.S. ArmyminorStrategic or Co-development PartnerAwarded a government contract to install Seakeeper gyro stabilizers on 2 Army vessels. This was a direct contract won over other competing Florida dealers who were also invited to bid. Tri Sea submitted their own bid directly rather than through a contracting intermediary.
• Grady WhiteminorImplementation/ SI/ Consulting PartnerTri Sea provides on-site Seakeeper service and installation support at the Grady White factory in North Carolina. Their technicians travel to the factory to perform Seakeeper installations and service on new Grady White vessels.
• Viking YachtsminorImplementation/ SI/ Consulting PartnerTri Sea Stabilizers specializes in Seakeeper installation and service for Viking Sport Fish Yachts, providing custom installation approaches, performance predictions, and ongoing maintenance for Viking Yacht owners.
• Galati Yacht SalesminorChannel Partner/ Reseller/ DistributorLong-standing relationship with Galati Yacht Sales for joint tournament sponsorship and referral of Seakeeper customers. Many boats at supported tournaments are current or past service clients through Galati Yacht Sales.

Scale indicators10 records

Recent moves9 records

Expansion highlights6 records

Broad incumbents

• MarineMax: MarineMax is the largest recreational boat dealer in the US, with deep Florida presence and in-house service operations across multiple locations. While not a stabilization specialist, it competes with Tri Sea for boat-owner relationships and aftermarket service work in the Southeast.
• Naiad Dynamics: Naiad Dynamics manufactures fin stabilizers and other motion-control equipment for yachts and commercial vessels. As the primary competing stabilization technology to Seakeeper gyros, Naiad represents the alternative marine stabilization OEM that Tri Sea does not currently service or install.
• Safe Harbor Marinas: Safe Harbor operates the largest network of full-service marinas in the US, including locations across Florida, the Gulf Coast, and the Mid-Atlantic. Its service departments compete with Tri Sea's mobile service operations and warranty business for the same installed-boat customer base.
• Hinckley Yacht Services: Hinckley operates premium yacht service yards across the Northeast, Florida, and the Caribbean with electronics, mechanical, and refit capabilities. While not a stabilization specialist, its service breadth and OEM-style relationships overlap with the high-end of Tri Sea's customer base.
• CMC Marine: CMC Marine is an Italian manufacturer of fin stabilizers and interceptors for yachts. It is a competing stabilization OEM with overlapping customer base (yacht owners, superyacht builders) that Tri Sea does not represent but competes against for the same stabilization budget.
• Seakeeper: Seakeeper is the manufacturer of the vacuum-encapsulated gyro stabilizers and Ride VACS systems that Tri Sea exclusively sells, installs, and services. As Tri Sea's sole vendor and brand owner, Seakeeper defines Tri Sea's product roadmap, pricing, and dealer territory rules.
• ABT-TRIDENT: ABT-TRIDENT builds fin and gyro stabilization systems plus bow/stern thrusters for yachts. Its stabilizer product line competes directly with Seakeeper in the same vessel classes Tri Sea serves, making it the most direct technology peer.

Emerging players

• Humphree: Humphree provides interceptor and fin-stabilization systems, with growing adoption in mid-size motor yachts and commercial vessels. Its Ride-style and interceptor products overlap with Seakeeper's smaller-boat VACS positioning that Tri Sea sells.

Direct peers

• Galati Yacht Sales: Galati Yacht Sales is both a partner and an adjacent competitor — a major sport-fish and motor yacht dealer on the Gulf Coast that refers customers to Tri Sea for Seakeeper installations but could in-house or redirect stabilization work to competing installers.
• Viking Yacht Service Center: Viking Yachts' factory service center in New Jersey and authorized service network provides installation, refit, and warranty work on Viking sportfish boats — the same OEM customer base that Tri Sea supports through its Grady White and Viking service partnerships on the East Coast.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Instagraminstagram.com/triseakeeper
• LinkedInlinkedin.com/company/tri-sea-stabilizers

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Tri Sea Stabilizers