Also proposed are easements to the city to build a public-access boardwalk running underneath Marler Bridger, connecting HarborWalk Village and Calhoun Avenue.

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DESTIN — After being dramatically altered when the Emerald Grande opened 10 years ago, the city’s skyline by the Marler Bridge might soon be filled in some more by another high-rise development.

Madison, Georgia,-based Sandman Development Inc. recently submitted a development agreement application to Destin's planning division for a 13-story, mixed-use development at 1 Calhoun Ave. and 1 Harbor Blvd. It includes a proposed 100- to 110-foot-tall building that could house about 75 condominiums. Parking decks would be part of the overall structure.

The company owns five adjoining parcels that total more than 2 acres just north of the east end of the bridge, where U.S. Highway 98 becomes Harbor Boulevard. The overall property is located across from the 13-story, 152-foot-tall Emerald Grande, which stands above parking and retail areas.

According to the application, the proposed development would feature about 206,000 square feet of floor space, including retail and office areas. The project also would include a 39-slip boat marina overlooking Crab Island.

Sandman Development also would provide the necessary easements for the city to build a public boardwalk that would run beneath Marler Bridge to connect HarborWalk Village with Calhoun Avenue.

“If the developer agreement meets all requirements and is approved by staff, then it would come before the Local Planning Agency and the City Council” for final approval, city spokesman Doug Rainer said Friday. “It’s all in the discussion phase right now. There’s nothing firm yet, and there’s no timeline at this point.”

A traffic study would be performed later in the process, he said.

When asked for comment about the project, Sandman Development President James Mercer Williams said, “Not at this time.”

In late May, Williams designated attorney Dana Matthews of Destin to represent him on all matters related to the development agreement application. Matthews could not immediately be reached for comment Friday.

The seven-story Sides Moreno Point West Condominiums stand immediately north of the Sandman Development site. The north half of the site contains a vacant building that once housed McGee Transmission Service, while the south half contains a building that houses Custom Concepts Tattoo and Design shop.

Among other issues, Destin officials are talking with Sandman Development about details on the proposed boardwalk, Rainer said.

“The boardwalk would be open to the public,” he said. “We have a long-term goal to connect the north side of the highway to the south side of the highway via the boardwalk. We expect this to move pedestrian traffic safely from the north side to the south side and back and forth.

“The city would build the boardwalk, but we don’t know to what scale," Rainer added. "It’s way too premature to say who would pay what and how much.”

Mayor Scott Fischer said he hasn’t seen the details of the project.

“I’ve heard rumors of a high-rise, but I’m unfamiliar with those negotiations,” he said. “The real concern — and I’m assuming the city will take a real hard look at this — is to make sure it falls within our zoning and planning rules. The intensity and density of use, and the population in that area is extreme. We can barely drive in that area now.”