English Mastiff Puppies

Bittersweet Lane Mastiffs

Welcome to Bittersweet Lane Mastiffs

We are here to share our passion for this amazing breed with you and your family. We strive to better the breed and provide you with the best companion whether that is in your home, sharing the bed or in the ring sharing a well-deserved ribbon, or like in our family where we enjoy both! 

We want you to relish in the joys of Mastiff ownership as we have- whether it is the initial greeting or the trials of puppyhood or those unforgettable moments you understand what everyone who owns a mastiff is speaking about! We are here to help your dream come to life and introducing you to our incredible breed!


We have built our foundation on health, structural correctness, and disposition. These three concepts are what allow us to produce happy, healthy, beautiful companions. We use technology and good old-fashioned hard work to bring your family that sweet face! We feel health testing is paramount to our success. Using this as just one of our tools to ensure our future is full of life. Allowing our future owners to worry less about what can go wrong and focus on everything that is going right. 

We are committed to your success whether you are a seasoned mastiff owner or a first time pet owner- we will be right beside you along your journey! 

Contact us today


Contact Us

Angela Dineen

7101 Biggert Rd

London, Oh 43140


Email - A_dinneen@yahoo.com

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  • Bittersweet Lane Mastiffs added 2 new photos.This girl started it all! She is the epitome of what I dreamed my Mastiffs would be.

    Bittersweet Lane Mastiffs Thank you Josh! I couldn't agree more Peggy she is a good ole girl!2016-07-25T03:34:49+0000
    Sue Horton Hi Ruby,Daisy says hi mama2016-07-25T15:19:43+0000
    Peggy Rader Good ole Ruby...... Such a sweet girl!2016-07-25T02:39:53+0000
    Josh Cook She's beautiful2016-07-25T03:08:04+0000
  • Thank you! I love my decal! #MCONO

    Martha Dinneen I love it😍 I know the girls are so proud and will love riding in their car now!2016-07-25T09:02:58+0000
    Peggy Rader You go girl!! Love you and just so proud of you! You are an amazing woman!!'2016-07-25T02:39:12+0000
    Megan Barnett Super cute!2016-07-25T01:26:46+0000
  • Bittersweet Lane Mastiffs added 3 new photos.We had 6 week visits today! The pups slept through the visit... little stinkers!

    Rose Lopez Nuckles Sure wish we could have been there!!2016-07-24T16:39:55+0000
    Megan Barnett If I had a house with a yard I would snatch one of them right up!! They're too cute!2016-07-24T02:39:41+0000