Accommodations Features Cabin On Rocks With Private Jetty On Onsøy in Gressvik offers a terrace with sea views. The holiday home includes three bedrooms, two bathrooms, and a spacious living room. Amenities and Facilities Guests can enjoy an outdoor fireplace, outdoor seating area, and a children's playground. The property includes a fully equipped kitchen with a washing machine, dining table, and work desk. Local Attractions Oksrødkilen Beach is a 7-minute walk away. The Old Town is 9.3 mi from the property, and Fredriksten Fortress lies 29 mi distant. Sandefjord Torp Airport is 52 mi away.