Secure Units in Our Clean Storage Facility in Vista CA. Emerald At 78 Self Storage is the top choice for storage units. Our facility provides secure units conveniently located in Vista CA, surrounding areas of San Marcos CA, and Carlsbad CA . If you need space for your large company, small company or personal needs, we offer clean units at an affordable price. Facility Features • 7 Day Access, Closed on Major Holidays • Boxes • Carts/Dollies Available for On-site Use • Drive Up Units • Easy Freeway Access • Gated Property • Inside Unit Parking • Key Code Entry • Lighted Hallways • Major Credit Card Accepted • Military Discounts • Month-to-Month Rentals •.. We offer many different convenient features and amenities,such as: Military and Senior Discounts Commercial Storage Maximum Security Computerized Access Monitor Boat & RV Storage Reasonable Rates 7 Day Access No Deposits Moving/Storage Supplies Small Business Storage