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If you use a GPS for driving, boating, hiking, or trucking, the accessories you pick can make the difference between a smooth trip and a frustrating detour. Think of accessories as the unsung heroes — the mounts that hold your device steady, the chargers that keep it alive for a cross-country run, and the protective cases that shield it from rain, dust, and bumps. Choosing the right store makes it much easier to find gear that fits your device, vehicle, and lifestyle without wasted time or returns.
When you shop at a reliable retailer, you should expect clear product specs, compatibility filters, and tested recommendations. A great store will let you search by brand (like Garmin), device model, or accessory type (mounts, chargers, cables, marine kits). Bonus points if they include installation guides, user reviews, and mounting templates. After all, a mount that’s listed as “universal” doesn’t mean it will play nice with every case or dash setup.
Amazon remains a go-to for GPS accessories because of its enormous selection. You’ll find everything from OEM Garmin mounts to third-party RAM-style ball mounts, dash adhesive pads, and 12-volt cigarette-lighter chargers. Shopping here is great if you want to compare dozens of brands quickly, read hundreds of user reviews, and take advantage of fast shipping. Just be mindful of counterfeit or low-quality listings and check verified purchase reviews and seller ratings.
Best Buy is perfect when you want to see an item in person before you commit. They carry trusted GPS brands, assorted mounts, and car chargers, and you can usually pick up your order the same day. If you’re pairing a GPS accessory with a consumer-grade navigation unit or dash cam, their staff can often point you to compatible products and offer basic installation tips.
Walmart tends to have lower-cost accessories and an easy-to-navigate online store. For basic in-car chargers, suction cup mounts, and USB cables, it’s a reliable option with many store locations for pickup. While you might not find pro-grade marine or heavy-duty truck mounts at every location, Walmart’s online marketplace makes it simple to compare affordable alternatives and filter by customer ratings.
If you care about fit and function, Crutchfield is a strong pick. They specialize in car electronics and accessories, which means their compatibility tools and wiring guides are excellent. Want a hardwire kit to keep your GPS powered without a dangling cable? Crutchfield often provides vehicle-specific advice, harness recommendations, and installation instructions to help you do it cleanly and safely.
When your GPS device is a Garmin, shopping Garmin’s store or authorized dealers makes sense. You’ll get accessories designed for your exact model: vehicle mounts that click perfectly, proprietary power connectors, and software-updated marine bundles. Buying OEM parts reduces compatibility headaches and often retains any device warranty considerations. For serious users, the peace of mind is worth it.
B&H in New York is known for cameras, pro audio, and electronics — and they also stock high-end GPS and marine navigation gear. If you’re outfitting a boat or professional vehicle, B&H’s catalog includes heavy-duty mounts, NMEA adapters, and ruggedized cases. They also provide clear specifications so you can confirm signal connections and power needs before you buy.
For drivers who need durable in-vehicle solutions, AutoZone and Advance Auto Parts are convenient. They carry hardwire kits, 12-volt adapters, mounting hardware, and crimp tools for secure installations. These stores are handy when you’re working on a DIY install and need a replacement fuse, zip ties, or a hard-mount bracket at the last minute.
If you’re shopping for marine GPS accessories or outdoor navigation gear, Bass Pro Shops and Cabela’s are go-to destinations. They stock transducer mounts, waterproof protective covers, chartplotter accessories, and battery packs sized for long days on the water. Their staff often has hands-on experience with fishing electronics, so you can ask questions about mounting on different boat surfaces or refrigeration-safe storage for delicate instruments.
Sometimes the best accessory comes straight from the manufacturer. RAM Mounts, Scosche, Anker, and official Garmin accessories offer a higher degree of quality and fit than many generics. RAM Mounts, for example, is famous for modular ball-and-socket systems that adapt to cars, boats, and bikes. Scosche offers clever power and mounting solutions, while Anker has reliable charging tech for long trips. Visiting a brand store or authorized reseller can reveal bundled deals and product pairings designed to work together.
Choosing a mount is one of the trickiest bits because it depends on your dashboard, windshield angle, and climate. Suction cups are great for temporary or movable setups — they’ll stick firmly to a flat windshield, but heat can reduce suction over time. Adhesive mounts offer a stronger, semi-permanent hold and are often better for textured dashboards. Vent mounts clip into air vents and keep your device close to eye level, but they can block airflow and may not fit all vent designs. Think about whether you want a mount to stay put for months or move between vehicles.
Suction mounts give you the flexibility to move your GPS between vehicles or remove it easily at the end of the day. Look for models with a locking lever and a large suction plate to maximize holding power. A good suction mount should reliably hold a 6- to 7-inch device at highway speeds without wobbling.
Adhesive mounts are ideal if you want a tidy setup with minimal movement. They’re great on flat dash surfaces and can hold up better in extreme heat compared to suction cups. Keep in mind that adhesive pads may leave residue and are generally intended to stay put for long stretches.
Vent mounts are super quick to install and remove, making them excellent when you don’t want to commit to a permanent solution. They’re excellent for smaller GPS units and keep your device at eye level. If your vehicle’s vents are flimsy or angled very differently, check compatibility first.
Power options range from simple 12-volt cigarette-lighter chargers to hardwired kits that provide constant power. If you’re on a short road trip, a cheap car charger might be all you need. For long-haul drivers or marine users, a hardwire kit that connects to a fused circuit will prevent accidental battery drain and create a cleaner install. Portable battery packs are another excellent option — some deliver high-output USB-A or USB-C charging and can top off your GPS for hours without the engine running.
Measure the distance from your mounting position to the power source. Typical cable runs are 3 to 6 feet for dashboard setups, but boat installations may require 6 to 12 feet or more. Avoid cables that are too short, since that leads to strain on connectors and messy routing.
Hardwiring a GPS removes dangling cords and provides a constant power source. Hardwire kits usually include a fused inline connection and often require basic tools and a fuse tap. If you’re not comfortable with electrical work, many retailers and auto parts stores list recommended installers or provide straightforward installation guides.
Boaters and truck drivers need accessories built for constant vibration, moisture, and heavy use. Marine mounts and transducer mounts are designed to resist corrosion and hold steady in rough conditions. For truckers, look for heavy-duty RAM-style mounts, large-capacity battery packs, and sunlight-readable displays. These specialty shops, such as marinas, Bass Pro Shops, and professional truck-stop retailers, will often stock components not found in general consumer stores.
Install your mount in a spot that doesn’t obstruct your view and keeps the device within comfortable reach. Run cables along trim lines and use adhesive cable clips to avoid loose wires. Clean suction cups and mounting surfaces with isopropyl alcohol before attaching to improve adhesion and reduce the chance of premature failure. For devices used outdoors, consider a weatherproof case or a desiccant pack in storage to protect electronics from humidity and salt spray.
Regularly wipe contacts and power connectors to prevent corrosion and poor connections. Inspect mounts for wear: cracked plastic, weakened suction, or loose screws are signs you should replace components. If your GPS will be unused for weeks, store it in a dry environment and keep its battery at about half charge for best long-term health.
Comparison shopping is key. Use filters to compare specs like charging current (amps), cable length, mounting diameter, and material. Pay attention to bundled offers — a mount plus a car charger can be cheaper than buying them separately. Watch for seasonal sales and open-box deals from reputable retailers. Reviews and user photos can also reveal whether a “budget” accessory truly performs or if it’s better to spend a bit more for longevity.
Warranty terms vary by seller and manufacturer. While some generic accessories come with limited guarantees, OEM purchases from companies like Garmin often include a clear warranty policy. If you plan to upgrade later, choose modular mounting systems that allow you to swap ball adapters, arms, or plates without replacing the entire assembly.
Before you hit buy, run through this quick checklist: confirm device compatibility, check mounting surface and cable reach, verify power requirements, and read a few recent customer reviews. If you plan to install the accessory yourself, make sure the store provides a wiring diagram or a printable template. Small planning steps upfront can save you time and headaches down the road.
If you want a one-stop experience with quick shipping and broad selection, start with Amazon. If you prefer hands-on shopping and same-day pickup, Best Buy and AutoZone are excellent. For pro-grade mounts and marine accessories, check B&H, Bass Pro Shops, or the manufacturer’s store. And if you value expert guidance and vehicle-specific wiring help, Crutchfield is well worth a visit.
There’s no single best store for everyone. Your choice depends on whether you value price, speed, expert advice, or specialty products. The good news is the US market is full of reliable options — from big-box retailers to specialized marine shops and direct manufacturer outlets. With the right store and a little planning, you’ll have a GPS setup that stays put, stays powered, and keeps you on course.
Conclusion: Finding the ideal GPS accessory store boils down to matching your needs to a retailer’s strengths. Whether you need a rugged mount for a boat, a minimalist vent clip for your commuter car, or high-output power solutions for long hauls, the right seller makes all the difference. Compare specs, read reviews, and don’t be afraid to ask questions — happy navigation!
