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Airy, playful houseboat asks $700K on Lake Union

The slip is included!

A red houseboat with two stories and a roof deck is between a white boat and a smaller turquoise houseboat on a dock. Courtesy of Windermere

The unique setting of a houseboat often comes with some offbeat choices in the floorplan; sleeping cubbies, built-in living room sets, and ladders are all in the norm. This houseboat near Gas Works Park, called Casa Sul Mare, does have one full, private bedroom—never a guarantee in a houseboat—but its second bed is lofted above the living room, suspended by chains.

It’s one of a series of whimsical elements in the 1982 home. Below the chain loft, a sunken living room comes complete with a built-in bench tucked under a massive window that doubles as a door to the back deck. In the master bedroom, a reading nook is cradled in stained-glass windows. A three-tier design means outdoor lounging space at lake level, off the bedroom, and on the roof in addition to the front porch and a Juliet balcony off the master

At 640 square feet, it’s on the bigger side for a houseboat, too, and all that space to stretch out means a larger kitchen than you’ll typically see on the lake (but it has a dinette to save space, anyway).

2143 N Northlake Way Slip 38 is on the market for $700,000—which includes a rare, owned slip—through Windermere.

A gray couch with a white box suspended above by white chains. A ladder on the left side leads up to the box. On the far left, stairs lead up half a floor to an open, yellow door.
Tall ceilings in the living room create an open-feeling space, plus plenty of room for a loft.
A living room with a couch on the left wall and a built-in bench along the far wall. There are large, tall windows at the far and left wall and a fireplace in the back left corner.
The living room is cozy—with a wood stove-style fireplace and built-in benches—but bright.
A bed suspended from blue beadboard walls by white chains. There’s a white ceiling with a blue-trimmed skylight, and a built-in white shelf on the far wall. Clerestory windows are on both visible walls.
The loft chained above the living room could just as easily be a reading nook with its built-in shelves and large skylight.
A bedroom with a shallow, green nook to the left side with a chair in it, and blue walls surrounding a bed up one step. There are French glass doors behind the bed.
The master bedroom is full of versatile spaces, with a shallow reading nook, a private Juliet balcony, and direct access to the back deck.
In front of a red wall with stained-glass windows, there’s a wide deck with a blue dinette set. There’s a ladder up the wall to a roof deck with a metal railing.
A middle-tier deck off the master expands the living space—and a small dormer cradles the loft inside.
An outdoor deck with wood floors. There’s a dining table, an outdoor sofa with red cushions, and a gas grill. More boats are visible around it, and in the distance, a bridge and hills.
A spacious roof deck has plenty of gathering space, plus views of the lake and surrounding city.

Gas Works Park

2101 North Northlake Way, , WA 98103 Visit Website

2143 N Northlake Way

2143 North Northlake Way, , WA 98103