Treehouse Cove Lodge; Experience the real Alaska! Discover the adventure of Seldovia Bay’s & Kachemak Bay’s Treehouse Cove Lodge. Exclusive service for up to 6 people! Surround yourself in a stunning wilderness in the Captain’s Beach House or the Treehouse lodge, just minutes from from Seldovia Harbor! the Treehouse Is available starting solstice weekend. Daily custom adventures, by land or sea we offer: Sea Kayaking, ATV tours of Seldoiva, Hiking, Seldovia concerts & events, KBay & Gulf fishing & wildlife/whale/photo adventures. Excellent home style meals! This is truly Alaska's best kept secret. Alaska’s only beach front treehouse and timber-frame lodge.