Gateway Charters/Southwest Sailing Ventures – KEMAH MARINA BROKERAGE & CHARTER COMPANIES Phone of Gateway Charters/Southwest Sailing Ventures – 281-334-4606 Kemah Texas Marina Yachting Services Located near Kemah Boardwalk Marina. These are independantly owned and operated businesses, please contact them directly. No endorsement or recommendation implied or intended. Kemah is in Galveston County and is one […]