Murphy's on the Water at historic Cable Wharf will become a year-round operation starting in May.
Operations manager Christine Murphy says the company wants to create that on-the-water destination feel.
Plans include an expanded restaurant, artisans' demo area, year-round adventure ticket outlet and a focus on Nova Scotia products and suppliers.
The Murphys are working with Waterfront Development Corp. to add elements of Cable Wharf history to the project.
WDCL is expanding the back of the second floor and contributing to that exterior, with a value of about $200,000.
"It's an opportunity to revitalize and preserve an important piece of marine history," said Colin MacLean, WDCL president and CEO. "This is an important family-run business that is synonymous with the Halifax waterfront experience."
The 10-metre-wide by 100-metre-long building is a distinct feature on the Halifax Harbour and one of only a few original structures.
In the early 1900s, supplies were housed in the bottom of the building for the trans-Atlantic cabling across the ocean floor. Also, a number of ships that used the wharf played a role in Titanic recovery efforts.