If you're unfamiliar with Cape Town it may sound awfully posh or perhaps even extravagant to go from Cape Town to an island for dinner. The truth is that while Woodbridge Island is an island off the mainland, it can't be more than 100m from the shore and is connected to the mainland by a small bridge.
The island has at least two restaurants, about 600 inhabitants (mostly living in a clustered residential estate) and a tall lighthouse. Even if you have dinner somewhere else, try and stop by the island to watch the sun set behind Table Mountain.