There are quite a few out there. My pick is Wix.com for the sheer simplicity of how it works

Since Wix as a company is constantly evolving; we would be updating below content as and when they upgrade their services

Pros

• Excellent Editor for both Desktop and Mobile
• Built-in Blog Editor is available
• No coding or scripting skills required
• Excellent Templates available and importing external content is easy
• Responsive Support through Wix Forum
• Option of Adding Shopping Cart
• Connectivity to Google Apps
• Build and Send Newsletters
• Tools to integrate with Social Media
• Excellent pool of Free and Paid Web Apps
• Shopping Cart setup is built-in
• Invoicing Tool for your Customers
• Free with the Wix.com domain

Cons

• No SSL Support Available
• Limited Payment Gateway Integration options (PayPal/ Authorize.net / Stripe / Wirecard)