The VI BOAT TRIP APP is a mobile boating guide for the US Virgin Islands. Each Isalnd has its own button that lists boat charters in the area, STT (ST Thomas) STJ (ST John) and STX (ST Croix). Instructions: 1. Search App store for VI Boat Trip 2. When downloaded, choose and island and then a a charter boat category. All the participating charter boats that apply will be shown under that category. Select a boat and more information about the boat will be shown. 3. Enjoy VIBOATTRIP