1 EXHIBIT 23.1 INDEPENDENT AUDITORS' CONSENT To the Board of Directors and Stockholders of Boyd Gaming Corporation and Subsidiaries: We consent to the incorporation by reference in Registration Statement No. 33-17941, No. 33-76484, No. 33-79895, and No. 33-85022 of Boyd Gaming Corporation and Subsidiaries on Form S-8 of our report dated February 23, 2000, appearing in the Annual Report on Form 10-K of Boyd Gaming Corporation and Subsidiaries for the year ended December 31, 1999. /s/ DELOITTE & TOUCHE LLP - ------------------------- Deloitte & Touche LLP Las Vegas, Nevada March 30, 2000