Skip to product information
1 of 5

CM Marine

CM Marine Triangle Dock Box | Model CMTRI‑E‑S | 54" Width | Marine‑Grade Fiberglass & 316 Stainless Hardware | Universal Dock & Seawall

CM Marine Triangle Dock Box | Model CMTRI‑E‑S | 54" Width | Marine‑Grade Fiberglass & 316 Stainless Hardware | Universal Dock & Seawall

Regular price $876.00
Regular price Sale price $876.00
Sale Sold out
Customizable
Fast
24/7 Support
  • Triangle Dock Box Design provides 54" wide marine storage capacity.
  • Marine‑Grade Fiberglass Build ensures durability for dock installations.
  • 316 Stainless Hardware supports harsh saltwater marine environments.
  • Electrical Insert Compatibility fits Eaton Harbor Mate power panel.
  • Universal Dock Mounting works with most dock and seawall setups.
View full details

Product Description

CM Marine Triangle Dock Box | Model CMTRI‑E‑S | 54" Width | Marine‑Grade Fiberglass & 316 Stainless Hardware | Universal Dock & Seawall

DESCRIPTION

The CM Marine Triangle Dock Box with Electrical Insert delivers exceptional storage performance, marine‑grade durability, and space‑saving design for residential and commercial docks. Crafted from premium fiberglass with a high‑sheen gelcoat exterior, this dock box resists UV, saltwater, and harsh marine environments. The interior is sanded smooth and reinforced with an additional gelcoat layer for long‑lasting protection of your gear. Heavy‑duty 316 stainless‑steel hardware, dual gas shocks, and a secure lockable twist hasp ensure reliable operation and safety. Designed to accept the Eaton Harbor Mate shore power panel, this dock box integrates electrical access seamlessly into your dock layout. With its 54" width and triangular footprint, it maximizes deck space while providing clean, organized storage for tools, lines, and marine essentials.

Key Features

  • Space‑saving triangular design maximizes dock surface area while providing high‑capacity marine storage.
  • Marine‑grade fiberglass construction delivers long‑term durability against UV, saltwater, and weather exposure.
  • High‑sheen gelcoat exterior enhances appearance and resists fading, chalking, and surface wear.
  • Smooth gelcoat‑lined interior protects stored items and prevents moisture absorption or material breakdown.
  • 316 stainless‑steel hardware corrosion‑proof components ensure reliable performance in harsh marine environments.
  • Integrated electrical insert compatibility accepts the Eaton Harbor Mate shore power panel for seamless dock power access.
  • Dual gas‑assist shocks provide smooth, controlled lid opening and hands‑free operation.
  • Lockable twist hasp system enhances security and keeps equipment protected from unauthorized access.
  • Universal dock & seawall fitment adaptable to residential, marina, and commercial dock installations.
  • Reinforced structural molding increases impact resistance and prevents flexing under heavy use.
  • Custom Awlgrip color options allows full aesthetic customization to match any dock or vessel.
  • Vent‑ready design supports optional airflow solutions to reduce moisture buildup.
  • Easy‑clean surfaces gelcoat interior and exterior wipe clean quickly for low‑maintenance ownership.
  • Commercial‑grade build quality engineered for marinas, yacht clubs, and high‑traffic waterfront facilities.
  • Precision‑fit lid alignment ensures smooth operation and long‑term structural integrity.

Detailed Specifications

Specification Value
Brand CM Marine
Model CMTRI‑E‑S
Overall Width 54"
Overall Depth 34"
Overall Height 29"
Material Marine‑grade fiberglass
Exterior Finish High‑sheen gelcoat
Interior Finish Smooth gelcoat interior
Hardware 316 stainless steel
Lid Support Dual gas shocks
Locking System Lockable twist hasp
Electrical Compatibility Accepts Eaton Harbor Mate panel
Mounting Compatibility Universal dock & seawall
Color Options Custom Awlgrip colors available
Use Case Residential, marina, commercial
SKU CMTRI‑E‑S

Manuals & Documents

General Warranty Info:

  • Ripping It Outdoors works closely with our manufacturers to supply and support your products warranty needs as best as possible!
  • The majority of products come with a manufacturer represented warranty against manufacturing defects for at least a 12 month period after the date of sale.
  • Expendable components and "wear parts" including but not limited to blades, knives, teeth, oil, chain sprockets, skid shoes, knife mounting discs, and similar components are usually excluded from manufacturer warranties.
  • Please reach out to us for any specific warranty information neededabout products and parts you can’t find!

Videos

Shipping

General Shipping Info:

  • Instantly calculate shipping quotes to the lower 48 states by 1. adding this product to your cart, 2. click continue to the checkout page and 3. enter your shipping address to check rates. Contact us for quotes for shipping to Hawaii, Alaska, Canada, Mexico and Internationally.
  • Complimentary lift gate service on all freight shipments where it’s possible. We guarantee safe delivery!
  • Low shipping rates for customers. We have negotiated the best possible rates for customers from our trusted carriers (ODFL, ESTES, UPS, and FedEx).
  • Negotiate shipping rates if you think we can do better please reach out. Keep in mind some shipping rates also include assembly & configuration as well!