If you’re outfitting a jon boat and need reliable, easy-to-install seat bases, these options provide solid support, corrosion resistance, and simple setup. They’re best for boaters who want quick upgrades, sturdy seating for frequent fishing trips, and accessories that fit standard 3/4″ seat posts. The top picks below are ideal for pontoon, bass, jon, and fishing boats, and each entry explains who should choose it and why.
| Product | Best For | Why It Stands Out |
|---|---|---|
| CLLOMAGY Boat Seat Base Mount | Pontoon, jon, or bass boats | Universal 7″x7″ plate; easy flush mounting; solid post fit for standard 3/4″ pins |
| Attwood 90720 Black Powder Coated 7″ Seat Pedestal | All-around deck seats | Sturdy non-swivel base with integrated mounting plates for quick setup |
| Attwood 15700-3 Seat Mount, Clamp-On With Swivel | Flexible seating layouts | Adjustable height 7.5″–18″; universal hole patterns |
| CLLOMAGY Boat Seat Swivel Base Mount | Jon or kayak setups needing swivel | 360° swivel; clamp-on versatility; corrosion-resistant |
| MANUMARINE Clamp On Seat Swivel Base | Portable or permanent installations | Two setup options; robust galvanized steel with black coating |
CLLOMAGY Boat Seat Base Mount for 3/4″ Pin Post
The CLLOMAGY base plate offers a 7″ x 7″ footprint designed to accept standard non-threaded 3/4″ seat pins. It aligns well with pontoon, jon, bass, and fishing boats when replacing or adding deck seats. Best for boaters who want a simple, flush install that locks the seat pedestal securely to the deck. A drill-and-screw installation ensures a sturdy, travel-ready base.
Best for: boaters seeking a robust, easy-to-mit base without complex hardware. This mount is especially suitable for replacing an existing base or adding a new seat on a flat deck.
Caution: Ensure the center hole aligns with your seat post and that the deck thickness accommodates the six screw holes for a flush mount.
Attwood 90720 Black Powder Coated 7″ Seat Pedestal
This pedestal features a reinforced welded base plate and integrated mounting area, delivering a sturdy, non-swivel seating point. The black powder-coated steel offers corrosion resistance, making it suitable for saltwater or freshwater boating environments. It is best for boaters who want a dependable, simple-to-install base with a durable build that supports a wide range of seat styles.
Best for: buyers prioritizing a strong, low-profile pedestal with built-in mounting capability. Choose this if you want a reliable, no-nonsense base that emphasizes frame strength.
Caution: It may require compatible seats with appropriate holes and mounting hardware to fit your specific deck layout.
Attwood 15700-3 Seat Mount, Clamp-On With Swivel
This clamp-on swivel mount fits most common seat hole patterns, offering flexible installation options. The steel construction with a black powder-coated finish provides durability and corrosion resistance. The height range from 7.5″ to 18″ supports ergonomic seating for various deck setups, making it a strong choice for boats needing adaptable seating alignment.
Best for: users who want broad compatibility and adjustable height for comfortable seating, especially on boats with varying bench configurations.
Caution: The clamp-on design relies on secure clamping force; ensure it clamps firmly to avoid seat wobble on rough water.
CLLOMAGY Boat Seat Swivel Base Mount
This clamp-on swivel base replaces existing swivel bases to add a more comfortable swivel seat setup for jon boats, bass boats, and kayaks. The unit supports 360° rotation to maximize fishing visibility and conversation, with galvanised steel and black powder coating for rust resistance. It’s best for anglers who want quick swivel access without major deck modifications.
Best for: boaters seeking a versatile swivel solution that’s easy to install on flat benches or decks. It’s particularly useful where bench seating is common and swivel access enhances fishing lines of sight.
Caution: Make sure the seat holes align with the swivel’s base pattern for secure mounting and smooth rotation.
MANUMARINE Clamp On Seat Swivel Base
This adjustable pedestal offers two installation options: clip-on for immediate use or screw-secured for maximum stability. It features a smooth 360° swivel and is constructed from heavy-duty galvanized steel with a black coating to resist saltwater corrosion. The design prioritizes durability and ease of use for jon, bass, fishing boats, and kayaks with bench seating.
Best for: buyers wanting flexibility between temporary, tool-free mounting and permanent installation, while needing reliable swivel performance in marine conditions.
Caution: When choosing the screw option, ensure deck thickness and hole spacing match the base mounting pattern to avoid misalignment.
Buying Guide: Key Purchase Considerations
- Seat post compatibility: Most bases target 3/4″ pin posts. Confirm your seat post diameter and hole pattern before buying.
- Mounting surface: Decide between flush-mount bases and clamp-on bases based on deck type and preferred aesthetics.
- Corrosion resistance: For saltwater or mixed environments, prioritize powder-coated steel or stainless steel components.
- Height and reach: If you need ergonomic seating, choose adjustable-height bases (7.5″–18″) to fit your cockpit layout.
- Swivel capability: If you require all-around visibility, select a 360° swivel model; for fixed seating, a non-swivel pedestal can be sufficient.
- Installation effort: Some bases require drilling and screw mounting; others offer tool-free clamping. Consider your DIY comfort level.
Frequently Asked Questions
- What is a 3/4″ boat seat pin post socket?
It is the standard diameter for many boat seats’ pin posts; bases labeled for 3/4″ accommodate these posts to fit securely. - Are clamp-on bases as sturdy as fixed bases?
Clamp-on bases can be highly sturdy when properly installed, though fixed bases with screws may offer superior long-term rigidity in rough water. - Can I install a swivel base on any bench seat?
Most swivel bases fit common hole patterns, but verify hole spacing and weight requirements for your seat. - Do these bases require professional installation?
Many kits are designed for DIY installation with basic tools; some clamp-on options require careful alignment during mounting. - Which option is best for saltwater boats?
Look for galvanized or powder-coated steel with rust resistance; stainless options are even more durable for heavy exposure.