Sexual attraction (SA), as well as sexual (SBVs) and nonsexual boundary violations (NSBVs), have been identified as matters of ethical concern, being viewed as harmful within mental health or counseling relationships. Much of the literature in the area of SA and SBVs has focused on the counselor-client relationship, but it has been investigated only minimally in the field of sport psychology and specifically with regard to sport psychology professionals (SPPs). Because SA, SBVs, and NSBVs between SPPs and their client-athletes seem to be potentially problematic concerns in need of empirical investigation and practical scrutiny, the aim of this study was to examine: (a) the incidence of SBV and NSBV beliefs and behaviors among SPPs; (b) SPPs' feelings regarding SA for and from client-athletes; and (c) SPPs' willingness to seek supervision to manage their SA beliefs and behaviors towards client-athletes. SPPs (n = 365) completed the Survey of Applied Sport Psychologists (SASP) via e-mail or regular mail. As expected, SPPs experienced SA (40.6%) and generally did not experience strong feelings as a result of the SA. However, of the SPPs experiencing SA, 13.5% of males and 13.8% of females engaged in a SBV with a client-athlete. NSBV behaviors and beliefs are also reported. Chi-squared analyses revealed male SPPs engaged in nonsexual touching with their client-athletes more frequently than female SPPs. T-tests suggested ethically trained SPPs were more likely to seek supervision as a result of SA and view certain NSBVs as good professional behavior in comparison to non-ethically trained SPPs. Appropriate supervision and ethical training for SPPs experiencing SA could be helpful in the management of potential future SBV or NSBV behaviors. Implications for SPPs working with athletes, limitations of the present study, and recommendations for future research are discussed.