Sharm El Sheikh and Hurghada are the largest resorts, well-equipped with hotels and eateries, with a full range of facilities such as windsurfing, water-skiing, and water  Dahab and Nuweiba on the west coast of the Sinai are smaller, with a hardened diving or windsurfing crowd great for a low key vacation.
The Sharm El Sheikh is not suitable for low key vacations.