Spreader & Mast Lights

Spreader lights originated from sailboat terminology, referring to lights mounted on mast spreaders, though powerboats have adopted the technology for T-tops and radar arches. These marine lights provide bright, wide-angle illumination for decks, cockpits, and work areas when boating after dark, commonly mounted on T-tops, hardtops, radar arches, and towers to illuminate the area below for night fishing, docking, or onboard tasks. Whether you're preparing tackle for an offshore trip, navigating into a slip at dusk, or entertaining guests after sunset, proper deck illumination is essential for both safety and functionality.

Understanding Spreader and Mast Light Technology

Spreader lights are wide-angle LED fixtures providing even deck illumination from elevated mounting, using 120-180 degree beam angles distributing light uniformly across large deck areas, unlike spotlights that create focused beams. LED boat spreader lights have become the preferred option for modern marine lighting systems, producing bright illumination while using less power from your boat's electrical system. LED lights also offer longer service life and better resistance to vibration and moisture, which are common challenges in marine environments.

Key Considerations When Shopping

When selecting boat spreader lights, consider the mounting location, beam coverage, and brightness needed for your deck layout—boats with large cockpits or fishing platforms may benefit from wider beam patterns, while smaller vessels often use compact fixtures that provide focused deck lighting. Most lights in this category feature rugged, marine-grade construction such as die-cast aluminum with UV-stable powder coatings, 316 stainless steel hardware, and unbreakable polycarbonate lenses, with many being IP-rated for waterproof performance and ASTM B117 salt spray/fog compliant. Boat spreader lights up to 1380 lumens are very bright and cover all of your deck lighting needs no matter how elevated the mount is.

Top Brands in Spreader & Mast Lighting

Several manufacturers have established themselves as leaders in this specialized category. Lumitec stands out as an innovative engineering and design firm solely focused on the development, and manufacture of high-quality extreme environment LED lighting, and Lumitec's marine flood and spreader lights surpass all competition with high quality, reliability and superior performance, offering one of the widest selections of nearly two dozen types.

Scandvik brings over three decades of expertise to the marine lighting market. Scandvik is a marine lighting manufacturer with 35 years of experience supplying high-quality lighting to many well-known names in the marine industry, and Scandvik offers 2-LED and 4-LED spreader lights available in surface or bracket mount. Their lighting products complement an extensive catalog that includes plumbing, galley equipment, and marine hardware.

T-H Marine is a trusted name across multiple marine categories, offering innovative solutions for boat owners who demand reliable performance in harsh saltwater conditions. Their spreader light offerings provide dependable illumination for a variety of vessel applications.

Installation and Mounting Options

Marine lighting manufacturers offer a variety of mounting configurations to fit different vessel types, including surface mount lights for flat surfaces, flush/recessed mounts for a clean integrated look, and bracket or rail mounts for attachment to masts, towers, or railings. LED spreader lights are commonly mounted beneath mast spreaders on sailboats, with this placement allowing the deck to be illuminated without shining directly into the crew's eyes. Many modern installations also incorporate digital control systems that allow for dimming and color adjustment, providing versatility for different on-water activities.