http://www.aloha-hawaii.com/oahu/dest...  Several good Oahu maps. Under each map, there is an "Enlarge Map". Click on it to get the map you want. It will open into a PDF file. It has a good magnification feature.

http://www.hawaiidriveguides.com/Oahu...  Drive Guide Magazine Oahu map. Click anywhere on the map to enlarge it. Then click & drag to move the map. Detailed maps in the thumbnails on the right.

http://www.spotlighthawaii.com/Oahu/ i...   Spotlight on Oahu Magazine. Included are good maps.

http://www.hidili.com/thisWeekPublica...  This Week Oahu Magazine. Included are good maps.

http://www.oahupublications.com/magaz...  101 Things To Do on Oahu Magazine.

http://www.discoveringhawaii.com/Driv... Good movie location map. More good maps in the book, 'Driving & Discovering Hawaii, Oahu, Honolulu & Waikiki'

http://www.discounthotelshawaii.com/w...  Waikiki hotel & condo map. Also click on Parking in Waikiki or Waikiki Restaurants

http://www.oahunorthshoremap.com/  Oahu North Shore. Click on either map to enlarge

http://www.kailuavacationrentals.net/...  Some Kailua maps to download (pdf) for free. Also a couple more for  a few $$.

http://www.hicondos.com/neighborhoods...  Waikiki condo maps.

http://www.hicondos.com/neighborhoods...  Condos in areas surrounding Waikiki. You can use these maps in conjunction with sites like vrbo.

http://www.hawaiigaga.com/oahu-map.as...  You can move this map around. You can enlarge it. You can see beaches and/or activities and/or attractions and/or properties.