1998 Tiara 3700 Open

$120,000

Used

Boat in Winthrop, MA 02152 US

builtBuilt in 1998
Year the boat was built
model

3700 Open

Boat model
engine

2 Engines (2x Caterpillar)

Engine type and count
length

37.1 feet

Overall boat length
fuel

Diesel

Fuel type
material

Fiberglass/Reinforced

Hull material
Nominal Length
37.08ft
Length Overall
37ft
Beam
14.17ft
Max Draft
3.92ft
Deadrise At Transom
18deg
Dry Weight
21800lb
Fresh Water Tanks
98gal
Fuel Tanks
411gal
Holding Tanks
40gal
Windlass
electric-windlass
Hull Material
fiberglass
Hull Shape
modified-vee
Engine 1
Engine Make
Caterpillar
Engine Model
3208 DITA
Total Power
435hp
Engine Hours
2041
Engine Type
inboard
Fuel Type
diesel
Engine Year
1998
Drive Type
direct
Propeller Type
4-blade
Propeller Material
alloy
Engine 2
Engine Make
Caterpillar
Engine Model
3208 DITA
Total Power
435hp
Engine Hours
2034
Engine Type
inboard
Fuel Type
diesel
Engine Year
1998
Drive Type
direct
Propeller Type
4-blade
Propeller Material
alloy
Descriptions

Accommodations

  • Forward Island berth
  • Full head with separate shower
  • Full galley 
  • Dinette with drop down table to convert to double bed with bunk above (Upholstery new 2024)
  • Two Marine Air AC units with reverse cycle heat 12K and 7K BTU
  • Teak & holly sole
  • Teak interior


Galley

  • Two burner stove
  • Double sink
  • Microwave
  • Stainless Novakool large fridge (2018)
  • Lots of storage


Deck

  • Windlass refurbished by Imtra (2018)
  • New 12 plait anchor rhode 300' with 50' G4 chain (2018)
  • Three (3) Lumitec Seablaze X2 RGB underwter lights installed 2020 w/ POCO app controller 
  • Lumitec Mirage RWB cockpit and helmdeck lights
  • Nautley XL davit for swim platform in (2019)
  • Fusion and Wet Sounds audio system
  • Stamoid top with Stratglass enclosure
  • New Novakool stainless fridge on helmdeck (2018)
  • Most hoses replaced for water, waste, engines, and bilges.
  • Most above water thru hull replaced with stainless and core sealed
Navigation & Entertainment
  • Furuno TZ Touch 14" GPS/Chartplotter
  • Furuno DRS4D-NXT Radar
  • Furuno NavPilot 300 Auto Pilot (2023)
  • Standard Horizon GX2200B VHF
  • KVH TV1 (2023)
  • Direct TV Recevers (2) (2023)
  • Fusion RA70 Stereo Receiver 
  • Fusion Zone Amplifier (2023)
  • Wet Sound Speaker
  • (2) Flat Screen TV's
Mechanical
  • Caterpillar 3208 DITA 435 hp
  • Racor 1000 Fuel Filters
  • Twin Disc MG-5061 Transmissions
  • Westerbeke 8.0BTD Generator
  • Acme 4 Blade 24X26 Propellors
  • Marine Air Reverse Cycle Air Conditioning
  • CAT factory turbos and stainless elbows (2017)
  • New aftercoolers 2015.  Removed and cleaned by Shorepower Marine May 2020
  • Heat exchangers and coolers cleaned by Guy Crudele (2025)
  • New fuel tanks by Florida Marine Tank (2017)
  • Cutlass bearings and dripless shaft seals replaced (2016)
  • (4) AGM Starting Batteries (2025)
  • Balmar Voltage Regulators (2025)
Disclaimer

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.

Engine and generator hours listed are based on the information provided by the owner and/or the readings from the hour meters at the time of the original listing. The broker does not guarantee the accuracy of the reported hours. It is the responsibility of the purchaser and/or their agent to verify engine hours, warranties (express or implied), major overhauls, and all other details noted in the listing.

Price History

DateEventPrice
8/21/25Initial price$120,000

1998 Tiara 3700 Open Video Tours

Overview from around the web 1998 Tiara 3700 Open

Customers consistently praise the 1998 Tiara 3700 Open for its solid construction and timeless design

Many highlight the spacious and well-appointed cockpit, which is perfect for entertaining and comfortable cruising. Owners appreciate the reliable performance of the twin diesel engines, noting smooth handling and good fuel efficiency. The interior receives positive remarks for its quality finishes, ample storage, and comfortable accommodations, making it suitable for extended trips. Overall, the 1998 Tiara 3700 Open is valued for its durability, classic style, and versatility on the water.

The Biggest Pros and Cons

The 1998 Tiara 3700 Open is a well-regarded sportfishing and cruising yacht known for its blend of performance, comfort, and quality craftsmanship. Here are some of the key pros and cons of this model:

Pros

Solid Construction: Built by Tiara Yachts, the 3700 Open features a strong, durable fiberglass hull and high-quality materials, ensuring longevity and reliability.

Spacious Layout: The open cockpit design provides ample space for fishing, entertaining, and relaxing, with a well-appointed cabin below deck that includes comfortable sleeping quarters and a functional galley.

Performance: Powered typically by twin diesel engines, the 3700 Open delivers good speed and handling characteristics, making it suitable for offshore trips and coastal cruising.

Fishing Amenities: Equipped with features such as rod holders, live wells, and a sizable fish box, this boat is well-suited for serious anglers.

Comfort and Amenities: The interior offers a roomy salon, private head, and sufficient storage, enhancing the onboard living experience for weekend trips or extended outings.

Cons

Age Considerations: As a 1998 model, some boats may require updates or maintenance to modernize systems like electronics, plumbing, or engine components.

Fuel Efficiency: While engines provide solid power, fuel consumption may be higher compared to newer, more fuel-efficient models.

Limited Cabin Headroom: The cabin headroom is somewhat restricted, which might feel cramped for taller individuals during extended stays below deck.

Maintenance Costs: High-quality construction comes with higher maintenance and upkeep expenses, especially as the boat ages.

Made For

The 1998 Tiara 3700 Open is perfect for boating enthusiasts who seek a versatile and stylish vessel ideal for both family outings and entertaining guests. Its spacious open cockpit and comfortable accommodations make it well-suited for day cruising, sport fishing, or weekend getaways on the water. Whether you’re an experienced captain or a weekend adventurer, this boat offers a blend of performance, luxury, and practicality to enhance your boating experience.

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 1998 Tiara 3700 Open. 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 Express Cruiser cost in today's market, or how much does a Tiara 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.
Monthly payment
$1,361.97/mo
$
$
Loan amount$ 120,000
OR
%

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 1998 Tiara 3700 Open. 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 Express Cruiser cost in today's market, or how much does a Tiara 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.
Monthly payment
$1,361.97/mo
$
$
Loan amount$ 120,000
OR
%

Contact Oyster Harbors Marine

122 Bridge Street, Osterville, MA, 02655

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Address

122 Bridge Street
Osterville, MA 02655

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