Coast Guard searching for 2 people after boat sinks in Galveston Five people were on the boat when it sunk just west of the Galveston Causeway Friday. Three people were rescued by good Samaritans. Author: Chloe Alexander Updated: 9:25 AM CDT May 22, 2021 GALVESTON, Texas — The search is on for two boaters who went missing Friday evening after their vessel sank just west of the Galveston Causeway. Coast Guard search crews said they were notified about the sinking 20-foot boat at about 6:30 p.m. by the Galveston Fire Department. Officials said five people were on the boat, but only three were rescued by good Samaritans who were on another vessel.