Escape to your own private sanctuary with this rare four-season island property nestled on just under 4 acres of pristine land on Long Island (Big Rideau Lake). The journey begins at your own private triple-slip boat house in Portland, offering ample docking for up to four boats and ensuring seamless transit for you and your guests. Designed for both grand entertaining and ultimate relaxation, the main residence boasts two spacious bedrooms and an abundance of gathering spaces, including a massive, fully screened-in porch - with autoretractable screens - perfect for taking in the lake breeze. The expansive grounds offer unparalleled privacy and wrap-around sun exposure, featuring dedicated morning and afternoon tanning spots to maximize your waterfront experience. Adding to the estate's incredible charm and hosting capability are four insulated glamping tents complete with wood platforms and steel roofs, perfect for accommodating large groups. Whether you are looking for a lively weekend retreat or a secluded, peaceful escape where you can truly get lost in nature, this Big Rideau Lake masterpiece delivers a lifestyle of unmatched lakeside luxury.