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An all-weather enclosed flybridge was an option available for the Bertram 670.

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After announcing the 670 Convertible less than a year earlier at the Fort Lauderdale International Boat Show, Bertram debuted it at the 22nd annual Bertram-Hatteras Shootout almost 15 years ago. Between 2001 and 2009, Bertram's angler-friendly 670 was produced for eight years.

The length of the vessel is 70'10" and the maximum beam is 18'8"

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There was 168 square feet of cockpit space, and Hull No. 1 had 1,800 horsepower MTU 16V 2000 engines capable of a top speed of 37 knots.

From the flybridge helm, you can see 360 degrees. Courtesy Bertram

 Its most unique feature is a spiral staircase connecting the cockpit area to the flybridge. Spiral staircases are becoming increasingly popular on convertible boats, but the 670's are hidden to maintain the profile of the boat.

She carried her beam far forward, allowing her to accommodate four staterooms and four heads belowdecks.

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In the galley is a u-shaped sofa and dining table adjacent to the salon, a few steps up from the salon.

Courtesy Bertram

 Approximately half a dozen 670 Convertibles ranged in price from $1.1 million to $2.6 million at press time.

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There are four staterooms on board, including the master. Courtesy Bertram

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