1998 Carver 405 Motor Yacht
This is not just a well-kept vessel—it is a proven cruising platform that has been refined through real-world use. With tasteful interior updates, significant mechanical investment, and a long list of upgrades, she is turn-key and ready to go again today.
Powered by efficient and highly regarded Cummins 6BTA 5.9 diesel engines, “I Swear” offers the performance, simplicity, and reliability serious cruisers demand. Whether your plans include the Great Loop, the Bahamas, or extended time aboard, this vessel delivers exceptional value and confidence.
Basic Boat Info
Boat Name: I Swear
Make: Carver
Model: 405 Motor Yacht
Year: 1998
Condition: Used
Category: Power
Construction: Fiberglass
Boat Hull ID: CDRW0026I798
Has Hull ID: Yes
Keel Type: Other Keel
Dimensions
Length: 42 ft
Length Overall: 42'3 ft
Min Draft: 3'3 ft
Bridge Clearance: 17'2 ft
Dry Weight: 27900 lb
Cabins Count: 2
Engines / Speed
Engines: 2
Engine #1 Specs:
Make: Cummins
Model: 6BTA 5.9
Fuel: Diesel
Engine Power: 330hp
Type: Inboard
DriveType: Direct
Year: 1998
Engine Hours: 2,474
Engine #2 Specs:
Make: Cummins
Model: 6BTA 5.9
Fuel: Diesel
Engine Power: 330hp
Type: Inboard
Year: 1998
Engine Hours: 2,480
Total Engine Power: 660 hp
Cruising Speed: 14 kn
Maximum Speed: 22 kn
Tanks
Fuel Tank Capacity: 342 gal
Water Tank Capacity: 70 gal
Holding Tank Capacity: 64 gal
Other
Heads Count: 2
Drive Type: Direct
Boat Class: Motor Yachts, Aft Cabin, Flybridge
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- Additional information
- Additional Units Included
2025 Highfield CL310
1998 Carver 405 Aft Cabin Motor Yacht Walk Through
Stepping aboard “I Swear,” you immediately appreciate the design that has made the Carver 405 a favorite among Loopers and liveaboards. Wide side decks and a fully enclosed aft deck create a comfortable and functional outdoor living space, ideal for entertaining or relaxing at the end of a long cruising day.
Entering the salon, the updates are immediately evident. The space is bright, open, and inviting with updated flooring and modern touches throughout. Large windows flood the salon with natural light, creating a warm and comfortable environment that feels far newer than her vintage.
The galley-down layout opens the main salon and creates a natural flow between living and entertaining spaces. A serving counter connects the galley to the salon, making it both social and functional.
Below, the accommodations are well thought out, offering privacy and comfort for both owners and guests. The layout is ideal for extended cruising or liveaboard use, providing a balance of space and practicality.
Up top, the flybridge offers excellent visibility and a comfortable helm layout, making long cruising days enjoyable and docking stress-free.
1998 Carver 405 Aft Cabin Motor Yacht Recent Upgrades
Extensive updates and equipment make this vessel truly turn-key:
New canvas and eisenglass (2025)
Fresh bottom paint and new props (2025)
New transducer and underwater lights (2025)
Updated flooring throughout
New refrigerator (2025)
Pressure water pump and accumulator system
New anchor chain and Mantus anchor
Highfield aluminum dinghy (Hypalon)
Davit system
Folding e-bikes included
Spare parts inventory and cruising gear
“I Swear” is being offered fully equipped for continued cruising.
1998 Carver 405 Aft Cabin Motor Yacht Accommodations
“I Swear” features a two-stateroom layout that has made the 405 one of the most livable boats in her class.
The primary stateroom offers an offset queen berth, generous storage, and a private ensuite head with a separate stall shower.
The forward guest stateroom features an offset double berth with direct access to the day head, providing comfort and privacy for guests.
This layout works exceptionally well for couples cruising together, families, or liveaboard owners.
1998 Carver 405 Aft Cabin Motor Yacht Salon & Gall
The salon aboard “I Swear” has been tastefully updated with modern finishes, including updated vinyl flooring and comfortable seating. The layout is both functional and inviting, offering ample space for relaxing or hosting guests.
A large entertainment area and bar create a natural gathering space, while the abundance of natural light enhances the open feel.
The galley is well-equipped for extended time aboard, featuring:
Corian countertops
Full-size refrigerator
Ample storage and counter space
Functional layout connected to the salon
This is a space designed for real use—not just weekends, but extended cruising and living aboard.1998 Carver 405 Aft Cabin Motor Yacht Flybridge &
The aft deck is fully enclosed with wing doors and updated canvas and eisenglass, creating a versatile space that can be enjoyed in a wide range of conditions. A wet bar with ice maker makes this area perfect for entertaining.
Molded steps lead down to the integrated swim platform, providing easy water access and safe boarding.
The flybridge offers excellent sightlines and a comfortable helm position, making it ideal for both cruising and docking.
1998 Carver 405 Aft Cabin Motor Yacht Mechanical
“I Swear” is powered by twin Cummins 6BTA 5.9L 330 HP diesel engines with approximately 2,474 hours.
These engines are widely regarded as one of the best choices ever installed in vessels of this size. The 6BTA is a mechanically governed, inline 6-cylinder diesel, known for its durability, simplicity, and long service life.
Unlike newer electronically controlled engines, these Cummins are straightforward and highly serviceable—making them a favorite among experienced cruisers and Great Loop veterans. Their mechanical design allows for easier troubleshooting, reduced reliance on electronics, and confidence when cruising in remote areas.
They deliver strong, reliable performance and cruise comfortably in the 18–20 knot range, while still offering excellent efficiency at displacement speeds.
This vessel has also seen significant recent mechanical investment, including:
Aftercoolers cleaned (12/2024)
Starboard heat exchanger replaced (2025)
Port engine major service (head gasket, top cover gasket, head cleaned, repainted)
Exhaust system updates (both engines)
New exhaust clamps (2025)
Props balanced and port shaft straightened
New cutlass bearings (both shafts)
1998 Carver 405 Aft Cabin Motor Yacht Electrical
“I Swear” is outfitted for self-sufficient cruising with a strong electrical and systems package:
Kohler 9kW generator (~1,450 hours)
Victron MultiPlus II inverter/charger
Victron display system
Five 100W solar panels
Starlink-ready installation
Reverse-cycle air conditioning
This is a boat built to comfortably spend extended time off the dock.
1998 Carver 405 Aft Cabin Motor Yacht Electronics
“I Swear” is equipped with an updated and well-integrated Garmin electronics package, including:
Garmin GPSMAP 1243xsv
Garmin GMR 18HD3 Radar
Garmin Reactor 40 Autopilot
Garmin GHC 50 Control Head
Full NMEA 2000 Network
AIS (Si-Tex MDA1)
Additional upgrades include Starlink integration and a modern onboard network—perfect for today’s connected cruising lifestyle.
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.