31 Bertram 1964 Boat for Sale

Double Diamond

ASKING PRICE: $95,000 Watch Price

Tortola, British Virgin Islands

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Double Diamond Yacht Photos Pics 1964 Bertram 31 Sportfisher boat anchored in clear blue waters.

Double Diamond Yacht Photos Pics 1964 Bertram 31 Sportfisher cruising on blue ocean with scenic mountain backdrop.

Double Diamond Yacht Photos Pics 1964 Bertram 31 Sportfisher cruising on open sea with scenic island backdrop.

Double Diamond Yacht Photos Pics 1964 Bertram 31 Sportfisher boat on ocean with mountains in background.

Double Diamond Yacht Photos Pics 1964 Bertram 31 Sportfisher boat interior with white seating and orange life preserver.

Double Diamond Yacht Photos Pics Interior of a 1964 Bertram 31 Sportfisher boat with seating and helm.

Double Diamond Yacht Photos Pics 1964 Bertram 31 Sportfisher helm with steering wheel and control panel.

Double Diamond Yacht Photos Pics Dashboard of a 1964 Bertram 31 Sportfisher with multiple gauges and compass.

Double Diamond Yacht Photos Pics Cozy cabin interior of 1964 Bertram 31 Sportfisher with vibrant pillows and natural light.

Double Diamond Yacht Photos Pics 1964 Bertram 31 Sportfisher cabin interior with marine toilet and wooden accents.

Double Diamond Yacht Photos Pics 1964 Bertram 31 Sportfisher interior with wooden storage cabinets.

Double Diamond Yacht Photos Pics 1964 Bertram 31 Sportfisher helm with white captain's chair and control panel.

Double Diamond Yacht Photos Pics 1964 Bertram 31 Sportfisher boat docked in marina, featuring spacious deck and seating.

Double Diamond Yacht Photos Pics 1964 Bertram 31 Sportfisher boat interior with seating and coiled hose.

Double Diamond Yacht Photos Pics 1964 Bertram 31 Sportfisher boat interior with white seating at dock.

Double Diamond Yacht Photos Pics 1964 Bertram 31 Sportfisher boat deck with chrome details and seating area.

Double Diamond Yacht Photos Pics 1964 Bertram 31 Sportfisher with Mercury engine, detailed view of engine compartment.

Double Diamond Yacht Photos Pics 1964 Bertram 31 Sportfisher engine compartment with modern upgrades and clean installation.

Double Diamond Yacht Photos Pics 1964 Bertram 31 Sportfisher boat interior with reflective seats and visible engine components.

Double Diamond Yacht Photos Pics Small dog on 1964 Bertram 31 Sportfisher boat, overlooking calm water.

Double Diamond Yacht Photos Pics 1964 Bertram 31 Sportfisher boat "Double Diamond" anchored in clear turquoise water.

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Last updated Sep 16, 2025

Double Diamond Boat | 31' Bertram 1964

An iconic 31 Bertram with a recent refit and repower. Low hours and ready to go. The famous ride is undeniably one of the best. Great opportunity to own a boat of the ages.

Morgan Bertram

YACHT BROKER

C: 954.614.2087 | O: 561.253.2457

Morgan@DenisonYachting.com

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Double Diamond HIGHLIGHTS

Yacht Details: 31' Bertram 1964
Location: Tortola, British Virgin Islands
Engines: Mercruiser
Last Updated: Sep 16, 2025
Asking Price: $95,000
Maximum Speed: 34 kn
Max Draft: 2' 9''
Stock Number: B91449

Double Diamond additional information

Specifications

Cruising Speed: 28 kn
Maximum Speed: 34 kn
Beam: 11' 2''
Hull Material: Fiberglass
Max Draft: 2' 9''
Fuel Tank: 1 x 222|gallon
Fresh Water: 1 x 18|gallon
Cabins: 1
Heads: 1

Restoration

Complete restoration from the hull up in 2019 including the following; ~ New ( remanufactured ) Mercruiser 496 HO X 2 engines direct from the factory in Wisconsin with two (2) new Velevt Drive transmissions ~ All new custom stainless steel including custom bimini tops and cockpit sunshade ~ New flybridge helm chair ( $4,500 ) with Shock Wave air ride ( $900 ) ~ Rechrome of all vents, Bertram Logo, rod holders, gauges ( the gauges are new both upper and lower helm ), Morse controls, etc ~ New Awlgrip paint hull, topside, interior, etc. ~ All new thru hull installed, all new fuel lines, new aluminum ( 2010 ) 220 gallon fuel tank ~ Most of the electrical is new but not all of the electrical ~ All new upholstery ~ New head ~ New custom wood work in solid teak ~ New sleeping cabin with all new headliner, mattress, etc Bow pulpit with new windless and oversized anchor with 200' chain Fighting chair Outriggers freshwater washdown