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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  • A few of my daughters met you and your amazing dogs this weekend while camping with their dad...they haven't STOPPED talking about it since they got home!!! ❤️🐶 They LOVED Meeting the dogs and you! Thank you for sharing your BEAUTIFUL dogs with them!! #They❤️DogPeople #TheMoreTheMerrier #TheyWantToBEYou! #MastiffLover #definatelyMadeAStrongImpression

  • Bittersweet Lane Mastiffs added 2 new photos.I have to share Pearl & Rockz success this weekend! They both did great and I'm so proud of them! Pearl picked up her first points!

    Martha Dinneen So proud of you and your fur babies accomplishments. Great job and your dedication and training is paying off😍2017-06-07T08:52:56+0000
    Shannon Daniels They both look wonderful! Lil Pearl is growing up! Congratulations!2017-06-07T02:38:47+0000
    Matthew Hess Great pictures, congrats on the nice wins!2017-06-08T14:50:13+0000
    Kelli Curry Aler Congratulations!!! They're beautiful!!! ❤️2017-06-08T10:43:56+0000
    Mary Hollobaugh Ham Fun show!!! Congratulations!!!!!!2017-06-09T04:06:24+0000
    Megan Jorgenson-Wervey Congratulations! I knew you could do it ^_^2017-06-07T14:55:40+0000
    Lori Scroggs Wonderful, and you look great too!2017-06-07T02:57:26+0000
    Josh Cook That's awesome! Congratulations Angela!2017-06-07T03:01:43+0000
    Diekske De Vries Congrats!! Great pictures!2017-06-07T02:59:24+0000
    Michael Locke Congradulations.2017-06-07T02:48:38+0000
    Jennifer Quinn Beautiful girls!!!!2017-06-09T21:00:32+0000
    Debi North Beautiful2017-06-07T13:35:32+0000
    Monica Baughman Pretty girls!2017-06-07T12:25:28+0000
  • A huge Thank You to Debbie Thurston for making these adorable #BitchesBritches she is amazing not only with her inginuity, but her wonderful personality! These come in all sizes if your interested! She has even taken them a step further by adding washable pads! Genius! Again thank you Debbie!

    Bethany Miller I second this endorsement! I have three pairs now for Phoebe. They are great!!2017-05-20T14:35:48+0000
    Megan Barnett Omg those are adorable!2017-05-20T13:31:13+0000
    Janet Dinneen Omg! BEAUTIFUL!2017-05-21T19:56:46+0000