Cave Rock Guest House is a guest house at 16 The Esplanade in Sumner, Christchurch, facing the beach. It holds a Google rating of 4.8 from 40 reviews, and reviewers often mention the sea views, the cleanliness and the hosts. The website describes it as the only accommodation in beachside Sumner with sea views.
The website describes a double room with an ensuite and a private entrance, and a self-contained apartment with two queen bedrooms, each with an ensuite. Units have tea and coffee making facilities, a fridge and a toaster, and some have an outdoor patio. The apartment has a sunny sitting area that looks out over the beach.
For a quiet beachside stay with sea views in Sumner, it is a guest house worth a look on The Esplanade.