1990 Harbor Master 520 Coastal Boat in Stillwater, MN 55082 US

$129,800

Used
builtBuilt in 1990
Year the boat was built
model

520 Coastal

Boat model
engine

2 Engines (2x Crusader)

Engine type and count
length

52 feet

Overall boat length
fuel

Gas

Fuel type
material

Fiberglass/Reinforced

Hull material
Nominal Length
52ft
Length Overall
56ft
Beam
14ft
Dry Weight
25000lb
Fresh Water Tanks
92gal
Fuel Tanks
300gal
Holding Tanks
50gal
Windlass
electric-windlass
Hull Material
fiberglass
Engine 1
Engine Make
Crusader
Engine Model
Gm 454 CID 7.4 L
Total Power
350hp
Engine Hours
1925
Engine Type
inboard
Fuel Type
gasoline
Engine Year
1990
Drive Type
direct
Engine 2
Engine Make
Crusader
Engine Model
GM 454 CID 7.4 L
Total Power
350hp
Engine Hours
1925
Engine Type
inboard
Fuel Type
gasoline
Engine Year
1990
Drive Type
direct
Stern Thruster
Bow Thruster
Oven
Manual Bilge Pump
Microwave Oven
Marine Head
Air Conditioning
Electric Head
Heating
Hot Water
Refrigerator
Battery Charger
Depthsounder
Radar
Log Speedometer
Tv Set
Radio
Compass
Gps
Cockpit Speakers
Vhf
Flat Screen Tv
Bimini Top
Hard Top
Shore Power Inlet
Generator
Inverter
Disclaimer


July 1, 2026

1990 Harbor Master 520 Coastal Cruiser

Engines:  (2) 454 Crusaders

Velvet V-Drives

Generator:  Kohler 12kw, with remote panel start & gauges

Fuel:  300 gallon

Water: 92 gallon (new with new water pump)

Waste:  50 gallon

Length:  52’  (LOA 56’ with pulpit and stern swim platform)

Beam:  14’

Cruise speed 18 mph, max speed 22 mph

Glendinning Engine Synchronizer

Bow thruster & stern thruster

Inverter system 3000 watt (newer)

Engine room heaters

3 Cruisair – heat & A/C units plus wall mounted auxiliary heaters

Radar

Power windlass

Stainless steel rails

Force 10 stainless steel water heater

Gas vapor detector in engine room

Raritan Crown Heads w/macerator (2)

Forward stateroom:  king bed & bathroom w/ shower

Lower cuddy with two full size beds

Mid-ship bathroom w/ small shower

Flat Screen TV

Fiberglass radar arch with spotlights & speakers

Windshield mesh front sun screen

Ray-line remote search lights

Standard Horizon Titan VHF marine radio

DataMarine – depth, speed, water temp gauge

Compass

Rudder angle indicator

Docking lights on bow

Wood ships helm wheel (inside driving station)

Side by side refrigerator (with freezer)

GalleyMaid – Empress 3 burner electric range & oven

Microwave oven

Wine rack (suspended over sink/counter)

Window treatments

Exterior deck covering (new)

Full eisenglass

Bar water fountain on sundeck

Wired for Cable TV

Includes all fenders, lines, fender racks, life jackets

Shore power cord (50amp)



The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.

Price History

DateEventPrice
7/18/26Initial price$129,800

1990 Harbor Master 520 Coastal Video Tours

Contact Midwest Yacht Sales

6413 St. Croix Trail North, Stillwater, MN, 55082

Overview from around the web 1990 Harbor Master 520 Coastal

The 1990 Harbor Master 520 Coastal has received a range of positive feedback from customers who appreciate its spacious design and sturdy construction

Many owners praise the boat’s generous living space, which offers comfort for family and friends during extended trips on the water. The layout typically includes a large salon with plenty of seating, a well-equipped galley, and multiple sleeping quarters, making it ideal for weekend getaways or longer adventures. Customers often highlight the boat's solid build and seaworthiness, which provides confidence while cruising coastal waters and handling varying weather conditions. The ease of maneuverability, thanks to its twin engine setup, is another feature that users frequently commend, allowing for smooth handling both in tight harbors and open waters. The Harbor Master 520 Coastal's classic aesthetic, combined with its functional amenities, makes it a cherished investment for those who enjoy boating. Many reviews reflect the satisfaction in owning a boat that balances classic charm with modern comforts, ensuring memorable experiences on the water. Overall, the 1990 Harbor Master 520 Coastal is recognized for its blend of luxury and practicality, making it a popular choice among boat enthusiasts.

The Biggest Pros and Cons

1990 Harbor Master 520 Coastal: Pros and Cons

Pros

Spacious Interior: The Harbor Master 520 Coastal offers a generous amount of living space, making it ideal for families or groups. With multiple cabins and an open layout, it provides ample room for relaxation and entertainment.

Comfortable Accommodations: Known for its comfort, this model comes equipped with comfortable sleeping arrangements and a well-appointed kitchen, making it suitable for extended stays on the water.

Solid Build: Built with a sturdy hull, the Harbor Master 520 Coastal is known for its durability and stability, providing a safe and reliable ride in various conditions.

Versatile Use: This boat is adaptable for different purposes, whether it’s for leisurely cruising, fishing trips, or even as a liveaboard. Its versatility caters to diverse boating lifestyles.

Booming Storage Space: Ample storage options are available throughout the boat, ensuring you have room for all your gear and personal belongings.

Great for Entertaining: The expansive deck space and well-designed layout provide excellent opportunities for socializing and enjoying time with friends and family.

Cons

Age Considerations: Being from 1990, some aspects of the boat may show signs of wear and may require maintenance or upgrades to meet modern standards.

Fuel Efficiency: Older models like the Harbor Master 520 Coastal may not be as fuel-efficient as newer boats, potentially leading to higher operating costs over time.

Limited Technology Integration: As a vintage model, its navigation and onboard technology may be outdated compared to newer vessels, requiring retrofits for modern conveniences.

Maneuverability: Due to its size, maneuvering the Harbor Master 520 Coastal can be challenging in tight spaces or marinas, which may not be suitable for less experienced boaters.

Draft Depth: The boat's draft may limit access to shallower waterways, which could restrict some boating adventures depending on your typical cruising areas.

Made For

The 1990 Harbor Master 520 Coastal is designed for boating enthusiasts who appreciate both comfort and functionality on the water. This vessel is ideal for families and friends looking to explore coastal waters, enjoy leisurely cruising, or host unforgettable gatherings. With its spacious deck and versatile layout, it caters to those who prioritize relaxation and entertaining while also providing ample room for fishing and water sports. It's perfect for: 1. Family Outings: The generous space allows families to spend quality time together, whether lounging on the deck or enjoying meals in the dining area. 2. Weekend Getaways: The Harbor Master 520 Coastal is well-suited for short trips and extended stays, with features that enhance comfort for overnight excursions. 3. Entertaining Guests: With its open layout and inviting cockpit, it’s great for socializing, making it an excellent choice for hosting friends during summer days on the water. 4. Fishing and Water Sports: The boat's robust construction and layout make it practical for fishing enthusiasts or those who enjoy water sports, offering stability and a functional design. The Harbor Master 520 Coastal embodies a blend of classic design and modern amenities, making it an ideal choice for those looking for a versatile and comfortable boating experience.

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 1990 Harbor Master 520 Coastal. Enter your down payment, choose a loan term, and adjust the interest rate to see an instant payment estimate — ideal if you're calculating boat payments before you enquire. Wondering how much does a Flybridge cost in today's market, or how much does a Harbor Master cost for similar models? This boat financing calculator helps you compare scenarios in seconds, whether you're considering used boat financing or a new purchase.
$
$
510152025
%
Principal Loan Amount$ 110,330
Total Payment$197,265.94
Monthly payment
$821.94/mo

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 1990 Harbor Master 520 Coastal. Enter your down payment, choose a loan term, and adjust the interest rate to see an instant payment estimate — ideal if you're calculating boat payments before you enquire. Wondering how much does a Flybridge cost in today's market, or how much does a Harbor Master cost for similar models? This boat financing calculator helps you compare scenarios in seconds, whether you're considering used boat financing or a new purchase.
$
$
510152025
%
Principal Loan Amount$ 110,330
Total Payment$197,265.94
Monthly payment
$821.94/mo

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Nominal Length
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Meet the Broker

Address

6413 St. Croix Trail North
Stillwater, MN 55082

Boat Location

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