1998 Tiara 3700 Open
$120,000
Boat in Winthrop, MA 02152 US
3700 Open
2 Engines (2x Caterpillar)
37.1 feet
Diesel
Fiberglass/Reinforced
Introducing the 1998 Tiara Yachts 3700 Open, a stunning express cruiser that combines elegance with performance. With an overall length of 37 feet, this vessel boasts a sleek modified vee hull made from durable fiberglass, ensuring a smooth ride through various water conditions. Powered by twin Caterpillar 3208 DITA inboard engines, each delivering an impressive 435 horsepower, this boat promises exhilarating speed and reliability. The direct drive system enhances maneuverability, making it perfect for both leisurely cruises and spirited outings. Equipped with an electric windlass, the 3700 Open simplifies anchoring, allowing you to focus on enjoying your time on the water. This model is designed for comfort and functionality, making it an ideal choice for both seasoned mariners and those new to boating. Experience the perfect blend of style and performance with the Tiara Yachts 3700 Open.
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
- 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
- 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)
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
| Date | Event | Price |
|---|---|---|
| 8/21/25 | Initial 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.
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Meet the Broker

Address
Boat Location
Contact Oyster Harbors Marine about 1998 Tiara 3700 Open
122 Bridge Street, Osterville, MA, 02655
Contact Oyster Harbors Marine
122 Bridge Street, Osterville, MA, 02655






































