Popular book house, Deccan gymkhana has an online presence

http://www.popularbookhouseonline.com/

I have so far not used this service, and i was never impressed by the website.

Checkout http://laxmiroad.in You can order a variety of Marathi books from Varma and Popular Book Stores. Even if a book is not listed on the online catalog, they will try and find it for you.

Search and buy books at Rasik Sahitya

Maayboli.com has a kharedi section and sells book online. They have a big section on marathi books and deliver anywhere in the world. http://kharedi.maayboli.com

Listen audio books http://boltipustake.blogspot.com/

Rasik -- and you also get to read Chintoo there.

eBay reference -- Cinnamon Books - Marathi.
^{Has anyone tried this?}

You can by may Marathi books at www.sahyadribooks.org. They have very good collection of Marathi Books. We site is Good. Easy to navigate. I purchased some history releted books and got the books on time with good packing. Nice place to purchase books online at www.sahyadribooks.com

Online marathi book purchase on www.globalmarathi.com

Purchase Online Marathi Books on www.mehtapublishinghouse.com New Marathi Books Release Information mail to:newbooks@mehtapublishinghouse.com