2025 Boston Whaler 350 REALM Boat in Cos Cob, CT 06807 US

$699,900

Used
builtBuilt in 2025
Year the boat was built
model

350 REALM

Boat model
engine

3 Engines (3x MERCURY)

Engine type and count
length

35 feet

Overall boat length
fuel

Gas

Fuel type
material

Fiberglass/Reinforced

Hull material
Nominal Length
35ft
Length Overall
35ft
Hull Material
fiberglass
Hull Shape
other
Engine 1
Engine Make
MERCURY
Total Power
400hp
Engine Hours
50
Fuel Type
gasoline
Engine 2
Engine Make
MERCURY
Total Power
400hp
Engine Hours
50
Fuel Type
gasoline
Engine 3
Engine Make
MERCURY
Total Power
400hp
Engine Hours
50
Fuel Type
gasoline

Price History

DateEventPrice
10/1/26Initial price$699,900

Contact MarineMax Norwalk

Norwalk, CT, 06854

Boston Whaler 350 REALM: BoatTEST Review

Reviewed by Jeff Hammond

Overview

The Boston Whaler 350 Realm represents a significant evolution for the brand, introducing an expedition-grade cruiser that combines the company's renowned offshore performance with enhanced entertainment and overnight capabilities. Designed as a versatile weekender, this model shifts focus away from traditional fishing to prioritize comfort and extended cruising, making it suitable for long-distance journeys beyond the horizon.

Exterior Design and Deck Layout

The cockpit of the 350 Realm offers a spacious 32-square-foot open area that can be adapted for various activities. Access is facilitated by side steps, and seating is abundant, including a flip-out transom bench that accommodates three people and a forward seat with a flip-down footrest for easier boarding. Beneath the seating lies a 230-quart cooler with optional refrigeration, accessible via a glass hatch or by lifting the cushion. The cockpit can be transformed into an outdoor dining space with the addition of two pedestal tables and is shaded by a retractable overhead lawn. A port-side dive door with a dedicated reboarding ladder and swing-out grab handle provides convenient water access, complementing the swim platform and shower. Under the protective hardtop, two rows of seating are available, with the aft seat featuring a flip seatback to convert to forward-facing orientation and the helm seat capable of pivoting to create opposing seating arrangements. Teak flip-up footrests enhance comfort, and side curtains can enclose this area for added protection. The starboard-side galley includes a recessed sink within a solid surface countertop, enclosed bottle storage with a flip-up shelf, stainless beverage holders, and an electric grill concealed beneath a hatch that doubles as a prep area when open. Storage compartments and an insulated cooler are conveniently located near the helm. Forward access is provided by a 21-inch wide port-side deck with padded bolsters and rails. The bow features a three-across lounge with flip-down armrests and integrated beverage holders, complemented by a solid wood table on a high-low pedestal. The bulwarks curve outward to increase seating space, and with the table lowered and cushions added, the area converts into a large sun pad. Integrated speakers, stereo controls, accessory plugs, beverage holders, and ample storage are built into the bulwarks.

Interior Living Spaces and Accommodations

The cabin is accessed via a sliding door adjacent to the helm and offers a comfortable seating area designed primarily for relaxation rather than large gatherings, as most socializing is intended to occur on deck. Natural light enters through an overhead skylight, and a 28-inch television is mounted on the forward bulkhead. Surrounding storage is ample, and an iPad with wireless inductive charging is magnetically secured to a cabinet, providing vessel system monitoring and control as well as Apple TV connectivity. Climate control is managed by a 12,000 BTU air handler. The seating area easily converts into a berth without the need to remove stored items. The head compartment, located beside the companionway, features a wet head design with solid surface counters, a teak seat over a vacuum flush toilet, and an opening port light for ventilation and natural light. Electrical panels for 120-volt and 12-volt systems are conveniently positioned just inside the cabin door.

Helm and Operational Features

The helm station is efficiently designed with rocker switches grouped by function across the top panel and dual 15-inch glass displays below. The steering wheel is cast and wrapped, mounted on a tilt base, and equipped with a steering knob for enhanced maneuverability. To the right of the wheel are Mercury digital engine controls and an outboard joystick, facilitating precise handling. Climate control vents for heat and air conditioning are integrated into the helm area, complemented by a power vent atop the single-piece windshield. Overhead panels provide controls for the SeaKeeper 3 gyro stabilizer and the SmartKraft system. A lockable glove box is positioned nearby. The double-wide helm seat includes individual flip-up bolsters and flip-down armrests, with a 6-inch high flip-down platform to assist shorter operators. Separate footrests are provided for both the captain and observer. The main electrical panel is recessed into the bulwarks to the left of the helm.

Mechanical Systems and Storage

Boston Whaler continues its tradition of centralizing mechanical components in the cockpit area, where the 350 Realm houses a standard 7.5 kW low-CO gas generator along with steering pumps, bilge pumps, and macerator pumps. Storage for cockpit tables and pedestals is located beneath a hatch in this compartment. The cockpit bulwarks feature cleats accessible through hawse holes in the cap rail, shore power connectivity, wash-down connections, phone connectivity, and a shelf for excess line. The standard ground tackle package includes an electric windlass, a 35-pound galvanized anchor on a bow roller, and 400 feet of rode, with a wash-down and wired remote control on a coiled cord.

Performance and Handling

During testing, the 350 Realm demonstrated excellent low-speed control and maneuverability, aided by the tilt steering wheel and steering knob. While rough offshore conditions prevented meaningful performance measurements during the test, Boston Whaler's own data indicates that the triple 350 Mercury Verado outboards can propel the boat to a top speed of 52.7 mph at 6,400 rpm. The best cruise speed is reported at 29.5 mph at 4,000 rpm, with a fuel burn of 32.9 gallons per hour and a range of 311 miles. Increasing to 4,500 rpm raises speed to 36.1 mph with only a minor reduction in range. The hull's offshore DNA is evident in its smooth handling of two- to three-foot swells, with no pounding and clean re-entries after wave clearance. The boat's freeboard ranges from 38 inches at the stern to over four feet forward, enhancing safety and seaworthiness in adverse conditions.

Conclusion

The Boston Whaler 350 Realm successfully redefines the brand's capabilities by merging offshore performance with versatile entertainment and overnight accommodations. Its thoughtful design, robust mechanical systems, and impressive handling characteristics make it well-suited for extended cruising and socializing in comfort and style. While capable in rough conditions, its primary role is as a luxurious and functional weekender that invites owners to enjoy the journey as much as the destination.

Rating: 4.5 out of 5

Overview from around the web 2025 Boston Whaler 350 REALM

The Boston Whaler 350 Realm has garnered positive feedback from customers who appreciate its exceptional performance, versatility, and comfort

Many users highlight the boat's smooth ride and stability, even in choppy waters, thanks to its innovative hull design. Customers often rave about the spacious layout that accommodates both relaxation and entertainment. The well-thought-out cockpit and deck provide ample seating, making it ideal for family outings or social gatherings. The luxurious cabin, complete with modern amenities, has been praised for creating a comfortable retreat during longer trips. Safety features, such as its unsinkable construction and advanced navigation systems, have also received commendation. Boat owners value the reliability and peace of mind these attributes offer while out on the water. Overall, the Boston Whaler 350 Realm stands out as a perfect blend of luxury, performance, and practicality, making it a favorite among boating enthusiasts looking for quality and adventure.

The Biggest Pros and Cons

Pros

Exceptional Stability and Safety: The Boston Whaler brand is renowned for its unsinkable construction, ensuring safety even in turbulent waters. The 350 REALM features a deep-V hull design that offers remarkable stability and smooth handling.

Versatile Deck Layout: The spacious deck allows for versatile usage, whether you're fishing, cruising, or entertaining friends and family. It includes ample seating and a well-designed cockpit for maximum comfort.

Advanced Technology: Equipped with cutting-edge navigation and marine technology, the 350 REALM includes intuitive controls and advanced fish-finding capabilities, making it a favored choice for tech-savvy boaters.

Powerful Performance: With robust engine options, the 350 REALM delivers impressive horsepower, making it capable of swift cruising and efficient fuel performance, even in challenging conditions.

Luxurious Amenities: The cabin space comes complete with upscale finishes, including a well-appointed galley, comfortable seating, and a spacious head compartment, offering a touch of luxury while on the water.

Customizable Options: Owners can choose from a range of options and upgrades, allowing personalization of features to suit specific lifestyle needs or preferences.

Cons

Price Point: The Boston Whaler 350 REALM is a premium model, and its price tag reflects that. This might be a considerable investment for some buyers, which could limit accessibility.

Size and Weight: While the size contributes to its stability and spaciousness, it can also make trailering and handling more challenging, especially for first-time boat owners.

Maintenance Costs: Maintaining a high-performance boat like the 350 REALM can require significant ongoing investment, especially in terms of engine servicing and upkeep of the luxurious amenities.

Fuel Economy: While performance-oriented, the larger engines can lead to increased fuel consumption, particularly when heavily loaded or during high-speed runs.

Limited Fishing Features: Although versatile, those looking for a dedicated serious fishing boat might find the fishing features in the 350 REALM somewhat limited compared to models specifically designed for angling.

Made For

The 2025 Boston Whaler 350 REALM is designed for the discerning boater who seeks versatility, performance, and luxury on the water. This model caters to a diverse range of enthusiasts, from seasoned anglers to families and social entertainers. For avid fishermen, the 350 REALM features ample storage for gear, spacious angling areas, and advanced fishing technology—all while maintaining the iconic Boston Whaler heritage of unsinkable confidence. Its robust performance makes it ideal for navigating both open waters and coastal cruising. Families will appreciate the thoughtfully designed layout that emphasizes comfort and safety. With spacious seating, a well-equipped cabin, and options for a head compartment, it’s an excellent choice for day trips or weekend adventures, ensuring that everyone can enjoy the journey. Social butterflies will love the 350 REALM's entertainment features, including a spacious cockpit and stylish helm, perfect for hosting gatherings with friends and loved ones. The sleek design and luxurious finishes create an inviting atmosphere for entertaining. In summary, the 2025 Boston Whaler 350 REALM is perfect for those who want a blend of adventure, leisure, and sophistication—making it the ultimate choice for boaters who refuse to compromise on quality and performance.

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 2025 Boston Whaler 350 REALM. 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 Dual Console cost in today's market, or how much does a Boston Whaler 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$ 594,915
Total Payment$1,063,685.92
Monthly payment
$4,432.02/mo

Finance your dream boat!

Use our boat payment calculator to estimate monthly payments for 2025 Boston Whaler 350 REALM. 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 Dual Console cost in today's market, or how much does a Boston Whaler 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$ 594,915
Total Payment$1,063,685.92
Monthly payment
$4,432.02/mo

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Price$699,900$386,851$134,900$29,995$24,900$19,600
LocationCos CobNorwalkNorwalkNorwalkPortlandStratford
Nominal Length35'32'28'16'13'22'
Engine MakeMERCURYMERCURYMercury-MercuryMercury
Total Engine Power400 hp300 hp200 hp-40 hp200 hp
Days on Market064363981757
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