Buying a boat opens up a world of good times: weekends chasing fish, towing the kids on a biscuit, or just cruising somewhere quiet with a cold drink and no phone signal. It’s also a purchase that rewards homework, because the difference between the right boat and the wrong one is the difference between years on the water and a very expensive ornament rusting on the driveway.
Most boat buying mistakes are avoidable if you know what to look for before the excitement takes over. This guide walks through the nine things that matter most when buying a boat, so you end up with a vessel that suits how you’ll actually use it, not just the one that looked good at the ramp. Work through them in order and buying a boat gets a whole lot less daunting.
1. Start with how you’ll actually use it
Before you look at a single boat, take a moment. Every good decision when buying a boat starts with getting clear on what you’ll really do with it. Fishing the flats calls for something very different from towing skiers, cruising the bay with the family, or heading offshore. Think about how many people you’ll usually have aboard, the water you’ll use it in, whether you want to fish, ski, cruise or all three, and how far from the ramp you’ll venture.
This is the most useful thing you can do when buying a boat, because it turns a huge and confusing market into a manageable shortlist. Get your real use sorted first and every other choice below falls into place.
2. Choose the right type of boat
One of the first real decisions when buying a boat is the type of hull, and they come in far more varieties than most first-timers realise, each built for a job:
- Aluminium dinghies and tinnies are light, tough and affordable, ideal for fishing and shallow water.
- Bowriders seat plenty of people and suit family days, watersports and bay cruising.
- Centre consoles give you walk-around access for serious fishing.
- Cuddy cabins and half cabins offer some shelter and a spot to escape the weather.
- Cabin cruisers add sleeping and cooking for overnighting, at a higher cost and weight.
There’s no single best boat, only the best one for your plans, which is exactly why step one matters so much.
3. The engine: the heart of the boat
If you read one section closely, make it this one. When buying a boat, the engine is the most important and most expensive part, and a worn-out one can cost a large slice of the boat’s value to replace. When buying a boat, the engine deserves more attention than the paint.
- Outboard versus inboard. Outboards mount on the transom, tilt clear of the water and are easier to service or replace, which is why they dominate trailer boats. Inboard and sterndrive engines sit inside the hull, suit larger boats, and are more involved to work on.
- Two-stroke versus four-stroke. Older two-strokes are lighter and simpler but thirstier, smokier and louder. Modern four-strokes are cleaner, quieter and far more fuel-efficient, and are now the norm for good reason, so factor engine type into any boat you’re weighing up.
- Engine hours. Think of these like kilometres on a car. Low hours are generally good, but very low hours on an older engine can mean it sat unused and its seals have perished. Always ask for the hours and the service history.
Whatever the boat, get the engine assessed properly before you commit. It’s the single component most likely to turn a bargain into a money pit.
4. Hull material and condition
The two common hull materials each have strengths, and knowing them is a real advantage when buying a boat. Aluminium is light, tough and forgiving of knocks, which makes it a favourite for fishing and beach launching, though it can suffer corrosion in saltwater if the anodes that protect it are neglected. Fibreglass gives a smoother, more comfortable ride and a better finish, and is common on bowriders and cruisers, but it’s heavier and can develop osmosis, a blistering below the waterline, as well as damage from hard impacts.
Whichever you’re looking at, inspect the hull carefully for cracks, repairs, corrosion or blistering. On a fibreglass boat, tap around the hull and deck listening for the dull sound that can signal water in the core.
5. New or used
A new boat brings warranty, the latest engine technology and no hidden history, but wears the sharpest depreciation early on. New or used is one of the bigger forks when buying a boat. A good used boat lets someone else absorb that first hit, so your money stretches further, provided you check it thoroughly. Buying used privately can save the most, but the due diligence is all on you. Our guide to boat and marine finance covers the age rules, surveys and private-sale checks in more detail, and it’s worth a read before you buy secondhand.
6. Get a marine survey and a sea trial
Never buy a used boat on looks alone. This is where buying a boat rewards patience, and two checks protect you here. A marine survey is a professional inspection of the boat’s condition by a qualified surveyor, covering the hull, structure, engine and systems, and it’s the boating equivalent of a building inspection. For anything beyond a small tinnie, it’s money very well spent.
Just as important is a sea trial: get the boat on the water and watch how the engine starts, idles, revs and holds temperature, and how the boat handles under load. A boat that runs sweetly at the ramp can tell a different story at speed. And before you pay, run a search on the Personal Property Securities Register. A PPSR check tells you whether there’s money still owing on the boat, because that debt can follow the vessel and it could be repossessed even after you’ve paid for it in good faith. It costs only a couple of dollars.
7. The trailer, towing and storage
Here’s a cost people forget when buying a boat: a trailer boat is really two purchases, the boat and the trailer. Check the trailer’s condition closely, since rust, worn bearings and perished tyres are common and the trailer lives a hard life half-submerged in saltwater. Then make sure your car can legally and safely tow the boat, motor and trailer combined, because that total can be heavier than people expect.
Storage is the other question to answer before buying a boat. Will it fit at home, or do you need a marina berth, a mooring or dry storage? Those ongoing costs, and how far you live from a decent ramp, shape how often you’ll actually use the boat.
8. Licence, registration and safety gear
Boating is regulated, and the rules vary by state, so build this into your plans when buying a boat.
In most states you need a boat licence to operate a powered vessel above a certain engine size, and the boat itself usually needs to be registered. Check the requirements with your state’s maritime or transport authority before you buy so there are no surprises.
You’ll also need the right safety equipment on board, and the required kit depends on where and how far you go. Lifejackets for everyone aboard are the non-negotiable, and offshore trips call for more, such as flares and an EPIRB. Factor the cost of proper safety gear into your budget rather than treating it as an afterthought.
9. Budget for the whole cost of ownership
The purchase price is just the start of buying a boat. Budget for the full picture, because the running costs are what catch owners out:
- Registration and insurance, which recur every year.
- Storage or a berth, if the boat won’t live at home.
- Fuel, which can be thirsty work depending on the boat and engine.
- Servicing, antifoul and maintenance, plus the trailer’s upkeep.
The government’s Moneysmart has free budgeting tools worth using to map the true cost. A boat you can afford to buy but not to run, store and maintain isn’t one you can really afford.
Where finance fits in
Once you’ve found the right boat, the last piece is paying for it, and the same rule applies as with the boat itself: compare properly rather than grabbing the first offer. The finance a dealer waves at you on the day is one option, not the whole market.
As an accredited finance broker, we compare boat finance options across our lender panel to find one that suits your budget, and our service is free for you because we’re paid by the lender. Our full guide to boat and marine finance walks through the finance side step by step, and it’s worth reading our warning about borrowing before you commit to any loan. Sort the boat first, then the finance, and you’re away.
Final Thoughts
Buying a boat well comes down to honesty and homework. Be honest about how you’ll really use it, pay close attention to the engine and hull, get a used boat surveyed and sea-trialled, and budget for the whole cost of ownership rather than just the sticker. Get those right and buying a boat becomes the start of years of good weekends on the water, instead of trips to the mechanic. If a caravan is also on your wish list, our guide to buying a caravan takes the same honest approach. Take your time, ask plenty of questions, and don’t let the excitement rush you past the checks that matter.
Disclaimer
The information in this article is general in nature and does not take into account your objectives, financial situation or needs. It is intended as general guidance for prospective boat buyers and is not personal, financial or safety advice. Always confirm licensing, registration and safety requirements with your state’s maritime authority, and seek independent advice where appropriate. Get A Loan Finance Pty Ltd is not a lender. We are an accredited finance broker, and all finance is subject to lender approval.
