Boston Whaler 380 Realm: The Express Cruiser That Doesn't Compromise
Boston Whaler 380 Realm refuses compromise: a true express cruiser that fishes like a center console. Quad or twin high-hp outboards deliver…
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Expert Review, Technical Specifications & Market Analysis
The Essentials
| Feature | Specifications |
|---|---|
| Overall Length | 38'0" |
| Beam | 11'8" |
| Draft | 2'5" |
| Displacement | 17,000 lbs |
| Engines | Quad Mercury Verado V8/V10 or Twin Mercury V12 (1,200 HP minimum, 1,700 HP maximum rated) |
| Fuel Capacity | 445 gal |
| Water Capacity | 55 gal |
| Cabins / Heads | 1 Cabin / 1 Head |
| Max Speed | 52 knots |
| Cruise Speed | 36 knots |
Source: Spec & Photos courtesy of Boston Whaler. Specs verified by Tony Smith, USCG 100 Ton Master, on August 10, 2026.
Part of the Boston Whaler Realm series — see how owners step up through the lineup.
Quick Verdict
- Variable running surface hull delivers 52-knot top speed and 36-knot cruise with genuine offshore ride quality, outperforming traditional express cruisers in rough water
- Offset console design creates functional port-side walkway and true fishing cockpit without sacrificing below-deck accommodations found in competing 40-foot cruisers
- Engine flexibility ranges from quad 300 V8s to twin 600 V12s, offering performance and efficiency options unavailable in fixed-configuration competitors like Grady-White or Pursuit
Our Take
The 380 Realm represents Boston Whaler's most successful attempt at bridging the express cruiser and center console categories. The foam-filled hull construction is proven, the variable running surface delivers legitimate offshore performance, and the build quality justifies the premium pricing. Quad 400 V10 Verados provide the best balance of power and reliability, though twin 600 V12s offer cleaner transom aesthetics and slightly better fuel economy at cruise. The Seakeeper 6 option is worth the investment if you plan to use the boat for extended cruising or overnight trips.
This boat is for the experienced owner who understands the difference between fishing capability and fishing theater. The offset console layout works because it prioritizes function over symmetry. The cabin works because it doesn't pretend to be a yacht. If you're comparing this to a 38-foot center console, you're buying the wrong boat—the Realm sacrifices some cockpit space for genuine overnight capability. If you're comparing it to a 40-foot express cruiser, you're also buying the wrong boat—the Realm sacrifices some salon space for genuine fishing capability. The buyer who gets this boat right is the one who needs both.
Resale will remain strong in the $600,000 to $700,000 range after five years, assuming reasonable hours and proper maintenance. The market for used Whalers in this size range is deep, particularly in Florida and the Northeast. Maintenance costs are real—four outboards require four sets of services, and the Seakeeper adds another annual line item. Budget $50,000 per year for slip, insurance, and routine maintenance if you're running 150 to 200 hours annually. This is an owner-operator boat, not a crew boat, and that's exactly why it works..
Watch Our Boston Whaler 380 Realm Reviews
Official Boston Whaler Premiere: Inside the Boston Whaler 380 Realm
Video courtesy of Boston Whaler.
Boston Whaler 380 Realm Photo Gallery
Photos courtesy of Boston Whaler.
Boston Whaler 380 Realm Articles & Guides
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Frequently Asked Questions
Is the Boston Whaler 380 Realm good offshore?
It should be. The 380 Realm uses the same 38-foot, 11 foot 8 inch hull as the 380 Outrage, one of Boston Whaler's core offshore fishing platforms, and carries more weight: 17,000 pounds dry against the Outrage's 14,500, and 23,500 pounds loaded with quads and full fluids.
The foam-filled construction Boston Whaler has built since 1958 is the other half of the answer. The hull is unsinkable by design, which is the point of the brand's long-running sawn-in-half 13-footer demonstration. Draft is 29 inches, deeper than the Outrage's 23.5, so you trade some shallow-water access for the accommodation. The enclosed helm means weather that would end an open-boat day does not end yours.
How much horsepower does the 380 Realm take?
Boston Whaler rates the 380 Realm from 1,200 to 1,700 horsepower — triples or quads, with no twin option. The minimum is high because the boat is heavy: 17,000 pounds dry and 23,500 pounds loaded with quad engines and full fluids, against 14,500 pounds dry for the 380 Outrage on the same hull.
Boston Whaler publishes no speed figures for the 380 Realm, and the numbers attached to this model elsewhere are not manufacturer-sourced, so we do not repeat them. What is worth weighing is redundancy. With quads you can lose an engine well offshore and still get home under power, and on a cruising boat carrying family rather than crew, that is the whole argument for the extra motors.
Boston Whaler 380 Realm or 380 Outrage — which is right for me?
Same 38-foot hull, same 11 foot 8 inch beam, same 445 gallons of fuel, same 16-person capacity. The difference is the enclosed helm and what it costs you. Buy the 380 Realm if you cruise, run in weather, or want a boat the family will use in more months of the year. Buy the 380 Outrage if you fish.
The Realm weighs 17,000 pounds dry against the Outrage's 14,500, and draws 29 inches against 23.5, so you lose some skinny-water access. It starts at 1,200 horsepower where the Outrage starts at 900, both capped at 1,700. You give up the Outrage's 60-gallon livewell and its open deck. You gain a proper cabin and a boat that is comfortable at anchor, not only underway.
Can you cruise on a 380 Realm for a week?
For a long weekend, comfortably. For a full week, only if you are disciplined. The 380 Realm has one cabin, one head, an enclosed climate-controlled helm, 55 gallons of water and a 10-gallon waste tank. Those tank sizes, not the berth count, decide how long you can stay out.
This is an outboard express cruiser, so the accommodation is built for a couple with occasional company. The enclosed helm is what makes multi-day trips pleasant: you are out of the sun and the spray, and the boat stays usable in seasons that would keep an open console at the dock. If you need a private stateroom and a separate shower stall, look at the 405 Conquest.
What is the Boston Whaler 380 Realm?
The 380 Realm is Boston Whaler's largest express cruiser: 38 feet long, 11 feet 8 inches of beam, one cabin and one head, an enclosed helm, and 445 gallons of fuel. It rates from 1,200 to 1,700 horsepower, carries 16 people, and weighs 17,000 pounds dry.
It uses the same hull as the 380 Outrage, so what is underneath you is the fishing boat's ride with a climate-controlled helm on top. That is the appeal: Whaler capability without spending every hour of a passage exposed. Water capacity is 55 gallons, and there is a separate 20-gallon diesel tank when the boat is equipped for it. Loaded with quad engines and full fluids the boat weighs 23,500 pounds.
How much fuel and water does the 380 Realm carry?
445 gallons of fuel, plus a separate 20-gallon diesel tank when the boat is equipped for it. Water capacity is 55 gallons and the waste tank holds 10. That is the same fuel load as the 380 Outrage on the identical hull, and 60 gallons more than the 350 Realm carries.
Boston Whaler publishes no consumption or range figures, so any mileage number you find online is an estimate rather than a measurement. What 445 gallons behind up to 1,700 horsepower means in practice is that a Bahamas crossing and island hopping stop being a fuel-planning exercise. Water is the tighter constraint for most cruising couples — 55 gallons decides how many days you get before you need a dock.