Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Visit the hotel Hideaway RV Park, which is in the state Michigan (MI), city Grass Lake. Our hotel can be found at P. O. Box 431, Grass Lake, MI 49240-0431. Great deals on best and cheap hotels. Your comments* (not for publishing) * — Required information Hideaway RV Park/P. O. Box 431 - Grass Lake - Michigan (MI) ← View details P. O. Box 431, Grass Lake, MI 49240-0431, Grass Lake, Michigan (MI) Not available