I would recommend a rental car for exploring this area of Oahu and Debi's retreat is a perfect base for exploring the North Shore with Sharks Cove, the Pipeline, Sunset Beach, Haleiwa all within a short drive.
The retreat is very clean and well equipped. After all that exploring there is a huge garden and patio area to relax in.
Debi is a great host, who was very approachable and knowledgeable. Would highly recommended staying here.