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Gavin Kazuo Doi

About Me

Gavin, a partner at Doi/Luke, Islandlawyers has practiced in the field of divorce/family law his entire career, spanning 20 years. He has extensive experience in divorce, paternity, child custody, child support, restraining orders, and other family law matters, and has a Martindale-Hubble® rating of Very High Legal Ability and Ethical Standards. In 2013, Gavin co-authored the book Child Custody Litigation and Settlements, published by Aspatore Books/Thomson West.


Born and reared in Honolulu, Hawai‘i, Gavin graduated from McKinley High School, and received his Bachelor of Arts in Political Science from Reed College in Portland, Oregon, and his Juris Doctorate from the University of Denver College of Law in Denver, Colorado. Previously, Gavin has worked with the Child Support Enforcement Agency and the SAVD Domestic Violence Clinic.  In his spare time, Gavin volunteers time with Volunteer Legal Services Hawaii and the Hawai’i State Bar Association. Gavin is a member of the Hawaii State Bar Association and the HSBA Family Law Section, and was presented with the HSBA's 2002 Justice Award, which honors one lawyer annually for their outstanding contribution to the ideals of justice. Gavin can be e-mailed at:


Photos and Videos

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Practice Areas


  1. Divorce & Separation: 60%
    20 years
  2. Family: 10%
    20 years
  3. Domestic Violence: 10%
    20 years
  4. Child Support: 10%
    20 years
  5. Child Custody: 10%
    20 years



Hourly ($250-300/hour), Fixed (Sometimes)

Payment Types:

Cash, Check, Credit Card

Attorney Endorsements

4 total 

  • Michael S. Waddington

    I endorse Gavin. He is a highly skilled attorney that is well respected in the legal community.


    Michael Waddington Military Law Attorney
    Relationship: Fellow lawyer in community

  • No photo

    Gavin Doi is one of Hawaii's leading experts on divorce and family law. Among other things, Gavin is experienced in dealing with cases where one of the parties resides in another state or overseas. His firm also handles bankruptcy and estate planning matters.


    Damien Horigan
    Relationship: Worked together on matter

Contact Info

Island Lawyers

1600 Kapiolani Boulevard
Suite 1300
Honolulu, HI, 96814



Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.
Avvo Contributions
Legal Answers
Award NameGrantorDate Granted
BV RatedMartindale-Hubbell2015
BV RatedMartindale-Hubbell2014
BV RatedMartindale-Hubbell2013
BV RatedMartindale-Hubbell2012
Commendation -- Outstanding Pro Bono AttorneyHouse of Representatives, State of Hawaii2012
Outstanding Pro Bono ServiceHawaii Access to Justice Commission2012
Mayor's Award of AchievementMayor of Honolulu, Mufi Hannemann2008
Na Loio Pu'uwai Aloha AwardVolunteer Legal Services of Hawaii2008
Na Loio Ho'ono'o Hana AwardVolunteer Legal Services of Hawaii2007
Justice AwardHawaii State Bar Association2002
Work Experience
TitleCompany NameDuration
Attorney/PartnerDoi / Luke, Attorneys at Law, LLLC2011 - Present
Attorney/PartnerDoi Luke & Miyatake, Attorneys at Law, LLLC1999 - 2011
Attorney/PartnerDoi & Miyatake, Attorneys at Law1995 - 1999
Association NamePosition NameDuration
Hawaii State Bar Association, Family Law SectionN/AN/A
Publication NameTitleDate
Child Custody Litigation and Settlements, Aspatore Books - Thomson ReutersWorking With Your Client Toward a Successful Child Custody Case2013
What You Need to Know If You Decide to Go Out on Your OwnWhere Should I Set Up Shop?2003
School NameMajorDegreeGraduated
University of Denver Sturm College of LawLawJD - Juris DoctorN/A
Reed CollegePolitical ScienceBA - Bachelor of ArtsN/A