Best Boats for Cruising the Great Loop: A Real Guide

There's a single dimension that quietly disqualifies more boats from the Great Loop than any other: a fixed bridge near Chicago with about 19 feet 1 inch of clearance. Get the wrong boat and your 6,000-mile loop comes to a halt at a low bridge, a shallow channel, or a fuel dock 300 miles from the last one. The Great Loop rewards boats chosen for the route's actual constraints — not the prettiest boat at the marina, and not the fastest.

The Loop is a roughly 5,000–6,000-mile continuous waterway around the eastern United States: up the Atlantic coast and Intracoastal Waterway, through the New York canals or down the Hudson, across the Great Lakes, down the inland rivers to Mobile, around the Gulf of Mexico, and back up Florida. Most "Loopers" take 9 to 14 months. The boat you pick has to handle protected ICW creeks, big open-water crossings, river locks, and months of living aboard — all at once.

This guide covers the hard limits that narrow your choices, the boat types that work best, real cost ranges, and the mistakes that send people back to the brokerage mid-trip.

The four numbers that decide everything

Before brand names or layouts, the Loop is governed by four measurements. Get these right and almost any reasonable cruising boat will do. Get one wrong and no amount of comfort saves you.

Air draft (height above the water)

This is the big one. The controlling fixed bridge on the Illinois River near Chicago sits at roughly 19'1" at normal pool. Boats taller than that have to detour down the Mississippi — a longer, more commercial, less pleasant route — or unstep masts and remove hardware.

The practical target is an air draft under 19 feet 6 inches, ideally with margin. Many Loopers shoot for under 19'1" with antennas down. Sailboats almost always have to unstep the mast and carry it on deck through the rivers, which is why so few sail the full Loop.

If you love a tall flybridge, check whether the hardtop, radar arch, and antennas fold or remove. A boat that's 21 feet to the top of the arch but 18'6" with everything folded down still works.

Draft (depth below the water)

The ICW shoals constantly, and parts of it — plus river anchorages and some Canadian sections — get thin. Aim for a draft of 4 to 5 feet or less. Boats drawing more than 5 feet can still do the Loop, but you'll be more tied to the tide tables, more nervous in skinny water, and more likely to touch bottom.

Shallow draft (under 3.5 feet) opens up gunkholing, more anchorages, and less stress. It's one reason trawlers and many cruisers shine here.

Range and fuel economy

The longest stretch with limited fuel is the inland river system — particularly the section below Joliet down to the Tennessee River, where fuel docks can be 150+ miles apart and some are seasonal or closed. A practical cruising range of 250–300 miles between fill-ups removes a lot of anxiety.

This favors efficient displacement and semi-displacement hulls over thirsty planing boats. A trawler burning 2–4 gallons per hour at 8 knots is a very different fuel budget than an express cruiser burning 25+ gph on plane.

Liveaboard comfort

You'll spend the better part of a year aboard. A real bed, a usable galley, climate control, decent water and holding tank capacity, and a comfortable place to sit out a rainy day matter more on month eight than they did at the boat show. For more on this, our guide to the best yacht types for liveaboard cruising covers the trade-offs in depth.

Trawlers: the default Looper boat for good reason

If you ask a hundred Loopers what they're on, a huge share will say "trawler." There's a reason it's the archetype.

Trawlers are built around exactly the priorities the Loop demands: efficient single or twin diesels, displacement or semi-displacement hulls, generous fuel and water tanks, shallow-to-moderate draft, and genuinely livable interiors. A boat designed to cross oceans slowly is overqualified for protected inland cruising — in the best way.

What works

• 34–43 feet is the Loop sweet spot. Big enough to live aboard comfortably, small enough for locks, fuel budgets, and tight marina slips.
• Brands frequently seen Looping: Mainship (the 34 and 400 are practically Loop icons), Krogen, Nordic Tug, Ranger Tug, American Tug, Grand Banks, Camano, and DeFever.
• Single-engine trawlers are cheaper to run and maintain; twins add maneuverability and redundancy. Either works — many veteran Loopers do it on a single with a bow thruster.

Trade-offs

• Slow. You'll cruise at 7–9 knots. If you're impatient, this isn't your boat.
• Older trawlers can have high flybridges — verify the air draft folds down under 19'6".

Our deeper trawler yachts explainer breaks down the hull types and what to look for. You can also browse trawlers for sale to see what's on the market in your range.

Sedan cruisers and downeast boats: comfort with a little more speed

Not everyone wants to crawl at 8 knots for a year. Semi-displacement and planing cruisers in the 34–45-foot range give you the option to run 12–18 knots when you want to beat weather or make a crossing window, then throttle back to sip fuel the rest of the time.

Where they shine

• Open-water legs across the Gulf, around Florida, and on the Great Lakes go faster and let you exploit short weather windows.
• Downeast-style boats (think Back Cove, Sabre) combine seakindly hulls, single-level living, and clean lines — and many keep air draft manageable.
• Sedan cruisers and aft-cabin motor yachts often deliver two real cabins, useful for couples who want a guest space or an office.

Watch out for

• Fuel burn. On plane, these boats can drink 15–30 gph. Budget accordingly, especially in the fuel-sparse river stretch.
• Air draft. Many have radar arches and hardtops that push past 19 feet — confirm everything folds.

If you're weighing helm layouts, our flybridge vs express cruiser comparison is worth a read, because the choice affects both air draft and how comfortable you'll be in weather.

Pocket trawlers and tug-style cruisers: the budget-and-towable angle

The Ranger Tug and Cutwater lines (and similar pocket trawlers under 30 feet) have built a real Looper following. They punch above their size.

Why people love them

• Trailerable versions let you skip legs, store cheaply on the hard, or bail out and bring the boat home without a delivery captain.
• Excellent fuel economy and low draft.
• Surprisingly complete interiors — diesel heat, a real galley, an enclosed head.
• Lower purchase price and far lower running costs than a 40-footer.

The catch

• Living aboard a 25–29-foot boat for a year is tight, especially for two people who aren't already used to small spaces.
• Less comfortable in steep chop on the big crossings — you'll wait for better weather more often.

These are ideal for solo Loopers, couples on a budget, or anyone planning to do the Loop in segments over multiple seasons.

Catamarans: shallow draft and stability, with a height problem

Power catamarans are a tempting Loop platform: shallow draft, excellent stability, huge interior volume, and great fuel economy from efficient hulls. Several Loopers complete the route on power cats every year.

The challenge is, again, air draft — many cats carry a tall flybridge or hardtop that exceeds the magic 19 feet. If you find a cat that clears the bridges (or has removable hardware) and fits your slip budget (wide beam means higher dockage at some marinas), it can be a wonderful Loop boat.

Sailing catamarans face the same mast issue as monohull sailboats — you'll motor most of the Loop with the mast either stepped (if it clears, rare) or it simply won't fit under the fixed bridges. If you're cat-curious in general, our catamaran vs monohull guide covers the broader trade-offs. Browse catamarans for sale to gauge availability and pricing.

Sailboats: possible, but you'll be motoring

People do sail the Loop. But "sail the Loop" mostly means "motor a sailboat around the Loop with the mast down for the river section." The fixed bridges force you to unstep the mast — usually at a yard near Chicago or at the start of the rivers — and carry it on deck for hundreds of miles.

A shoal-draft sailboat (under 5 feet) with a reliable diesel and good motoring economy can absolutely do it, and you'll get to sail the open legs: the Great Lakes, parts of the Atlantic ICW where it's wide, and the Gulf. But if sailing under canvas is the whole point for you, the Loop may frustrate more than it satisfies. Our motor yacht vs sailing yacht comparison helps think through this honestly.

How big a boat do you actually need?

Size is the question everyone overthinks. The honest answer: the smallest boat you can live aboard comfortably.

The case for staying under 40 feet

• Locks are easier to handle, especially short-handed. The river locks can be turbulent and crowded; a smaller boat is simpler to fend off and tie up.
• Fuel, dockage, haul-out, and maintenance all scale with size. A 36-footer can cost half what a 50-footer does to run.
• More marinas and anchorages are open to you.
• Easier to single-hand if your partner needs a break.

When bigger makes sense

• Two couples or a family aboard for the duration.
• You want a dedicated guest cabin, washer/dryer, and more tankage for longer stretches off the dock.
• You plan to keep cruising well beyond the Loop and want a bluewater-capable platform.

Most experienced Loopers land in the 36–42-foot range as the balance of comfort and practicality. To understand how the dimensions interact, see our breakdown of yacht length, beam, and draft.

What the Loop costs — boat and budget

Two separate numbers matter: what you pay for the boat, and what the trip costs.

Buying the boat

Used Loop-appropriate boats span a wide range:

• Pocket trawlers / older small trawlers: roughly $60,000–$150,000.
• Well-kept 36–42-foot trawlers and sedan cruisers: roughly $120,000–$350,000.
• Newer or larger trawlers and downeast boats: $350,000 and up, easily into seven figures.

Because most Loopers buy used, do this right. A thorough survey and sea trial are non-negotiable on a boat you're about to live on for a year — read our guides on how to buy a used yacht without getting burned and the sea trial checklist. Pay special attention to the engine, since you'll be motoring nearly every day — our engine inspection guide walks through it.

Running the Loop

Plan for, very roughly, $1,500–$4,000+ per month beyond your boat payment, depending on how often you dock versus anchor and how big your boat is. Major buckets:

• Fuel: an efficient trawler might spend $3,000–$6,000 for the whole Loop; a planing boat run hard can spend several times that.
• Dockage: $1.50–$3.50+ per foot per night at marinas. Anchoring out and using free or cheap town walls cuts this dramatically.
• Maintenance and repairs: budget for at least one or two unexpected fixes. Things break on a 6,000-mile trip.
• Insurance, AGLCA membership, locks/canal fees, pump-outs, and the rest.

For the full picture of what ownership really costs year-round, our true annual cost of owning a yacht and hidden costs of yacht ownership guides are worth reading before you commit.

Common mistakes when choosing a Loop boat

• Buying for air draft you didn't verify. "About 19 feet" from a broker isn't good enough. Measure to the highest fixed point and confirm what folds or removes. This is the single most expensive mistake.
• Going too big. Bigger feels safer at the boat show and feels like a burden at the fuel dock and in a turbulent lock. Most people who upsize wish they hadn't.
• Ignoring draft. A 6-foot draft turns the ICW and shallow anchorages into a constant calculation.
• Underestimating fuel range for the river stretch. Carry jerry cans if your tankage is marginal.
• Skipping the survey to save money on a "good deal." A failed transmission in Tennessee costs far more than a survey.
• Forgetting it's a home, not just a boat. Headroom, bed size, galley, air conditioning and heat (you'll cruise through cold and hot weather), and a comfortable enclosed helm for rainy days matter enormously over 10+ months.

A quick decision framework

• Want maximum comfort and don't mind 8 knots? A 36–42-foot trawler. The default for a reason.
• Want some speed for crossings and weather windows? A semi-displacement or planing sedan/downeast cruiser, 36–45 feet — just confirm air draft.
• On a budget, or doing the Loop in segments? A pocket trawler or tug-style cruiser (Ranger Tug, Cutwater, Camano, small Mainship).
• Couple who wants stability and volume, and you've found one that clears the bridges? A power catamaran.
• You already own a shoal-draft sailboat and you're flexible? Do it with the mast down — just know you'll mostly be motoring.

Frequently asked questions

What is the maximum boat size for the Great Loop?

There's no hard maximum length, but practicality and the locks favor boats under about 50 feet, with most Loopers in the 36–42-foot range. The real limits are air draft (under ~19'6") and draft (under ~5 feet), not length. Boats over 50 feet do the Loop, but face higher costs and tighter lock handling.

Can you do the Great Loop in a sailboat?

Yes, but you'll motor most of it. The fixed bridges on the inland rivers require unstepping the mast and carrying it on deck for the river portion. A shoal-draft sailboat with a reliable diesel can complete the Loop; you'll get to sail the open legs like the Great Lakes and Gulf.

How much does it cost to do the Great Loop?

Beyond the boat itself, plan for roughly $1,500–$4,000+ per month depending on boat size and how often you stay at marinas versus anchoring. A whole Loop commonly runs anywhere from $15,000 to $50,000+ in trip expenses, with fuel, dockage, and maintenance as the biggest variables.

Is a trawler the best boat for the Great Loop?

For most people, yes. Trawlers combine shallow draft, long range, efficient fuel burn, and comfortable liveaboard interiors — exactly what the Loop demands. The main downside is speed, since you'll cruise around 7–9 knots. Faster cruisers work too if you can accept higher fuel costs.

What air draft do I need for the Great Loop?

The controlling fixed bridge near Chicago is about 19'1". Aim for an air draft under 19'6", ideally with margin, measured to your highest fixed point with antennas down. Boats that exceed this must detour down the Mississippi River, a longer and more commercial route.

How long does the Great Loop take?

Most Loopers complete it in 9 to 14 months, moving with the seasons — north in summer, south in winter to follow good weather. Some do it faster in a single push; others break it into segments over several years using a trailerable boat.

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The best Loop boat isn't the biggest or the fastest — it's the one that clears the bridges, sips fuel, slips into thin water, and still feels like home in month ten. Nail those four numbers and the rest is preference. When you're ready to start shopping, browse trawlers, cruisers, and the full range of yachts for sale on Yachtlista to find your Looper.