Traveling to Kangaroo Island by ferry is a popular and scenic way to reach this stunning destination off the coast of South Australia. Here's a step-by-step guide on how to get to Kangaroo Island by ferry:

**1. Travel to Cape Jervis:**
   - Start by traveling to Cape Jervis, which is located on the Fleurieu Peninsula of South Australia.
   - Cape Jervis is approximately a 2.5 to 3-hour drive from Adelaide, the capital city of South Australia. You can also take a shuttle bus from Adelaide.

**2. Book Your Ferry Tickets:**
   - The main ferry operator for the Cape Kangaroo Island by ferry Jervis to Penneshaw route is Sealink Kangaroo Island.
   - It's recommended to book your ferry tickets in advance, especially during peak travel seasons.
   - You can book tickets online through the Sealink website or by calling their customer service.

**3. Arrive at Cape Jervis:**
   - Arrive at the Sealink ferry terminal in Cape Jervis.
   - If you're bringing a vehicle to Kangaroo Island, make sure you have a confirmed vehicle booking for the ferry.

**4. Board the Ferry:**
   - Board the Sealink ferry, which is equipped with amenities, comfortable seating, and sometimes onboard services.
   - Enjoy the scenic ferry ride as you cross the Backstairs Passage from Cape Jervis to Penneshaw on Kangaroo Island.

**5. Arrival in Penneshaw:**
   - Once you arrive in Penneshaw on Kangaroo Island, you'll disembark from the ferry.
   - Penneshaw is a charming town and serves as the gateway to the island.

**6. Explore Kangaroo Island:**
   - Upon arrival in Penneshaw, you'll have access to the island's roads, attractions, and activities.
   - Whether you're interested in wildlife, nature, outdoor adventures, or relaxation, Kangaroo Island offers a wide range of experiences to enjoy.

**Travel Tips:**
- Check the Sealink website or contact them directly for the most up-to-date ferry schedules, ticket prices, and availability.
- Be aware of weather conditions, as ferry schedules might be affected by adverse weather.
- If you're bringing a vehicle, ensure you have a confirmed vehicle booking and arrive at the terminal well in advance.
- Consider booking accommodations on Kangaroo Island in advance, especially during peak travel times.
- Take advantage of the opportunity to explore Kangaroo Island's unique landscapes, wildlife, and attractions.

Traveling to Kangaroo Island by ferry is a memorable journey that allows you to experience the natural beauty of the Australian coast before you even set foot on the island.