Diamond Resorts International at the San Luis Bay Inn Search | Advanced Search | New Members | Coupons and Discounts | All Categories Lodging, Travel & Tourism >> Hotels and Motels >> SLO City Diamond Resorts International at the San Luis Bay Inn 3254 Avila Beach Dr.Avila Beach, CA 93424 | map | directions (805) 595-2333 | fax: (805) 595-4047 Visit Site The San Luis Bay Inn at Avila Beach is a classic seaside resort. We offer one and two bedroom suites along with an array of onsite amenities. Member Since: 2000 If your business isn't here, contact us today to get listed!