Welcome Home to Sitka! Sitka is an oasis in the city. A beautifully designed South Lake Union apartment community inspired by the San Juan Islands: calming, mindful, effortless.Designed to exude tranquility, weaving in a forested courtyard and island treehouse, Sitka's take on apartment living is pure chill. Breathe in- you're home. Breathe out, you're out and about in one of Seattle's most exciting neighborhoods.