142Someone to Walk Beside » by skygirl55 Partners Kate Beckett and Richard Castle bond over their unhappiness with their respective marriages. Non-Soulmate-Soulmate-AU. For Castle Ficathon 2022
Castle, T, English, Romance, chapters: 7, words: 32k+, favs: 43, follows: 105, updated: 19h published: 5/7, [Kate B., Rick C.]
438 The Other Path » by CheerfulChemist Kate decides that she can make more of a contribution as a detective than as a captain. Gates doesn't like that and blames it on Castle. A murder pulls Kate into a much larger investigation.
Castle, M, English, Crime & Romance, chapters: 99, words: 132k+, favs: 36, follows: 55, updated: 19h published: 2/19, Rick C., Kate B., V. Gates
40 Love and War » by greygoose70 This is how it happened. Disclaimer: I own nothing associated with the show or the network. But a big thank you to AWM for creating these two wonderful and amazing characters. See Authors note at the beginning of chapter one. Story is 25 chapters long and complete.
Castle, M, English, Romance & Drama, chapters: 25, words: 29k+, favs: 12, follows: 13, 5/26, Rick C., Kate B.
162Not For Public Notice » by castlefan6 Authors Note AU; Beckett and Castle have been forced to work together, now Castle wants to know more about the very lovely but private detective. He uses his resources to discover, that not all facts should be made public. From a Fan Prompt, For and Dedicated to Charlie, hope you enjoy it.
Castle, T, English, Romance & Hurt/Comfort, chapters: 20, words: 75k+, favs: 12, follows: 33, updated: 5/26 published: 5/2, Rick C., Kate B.
54Kate, Jackson, and Alexis » by sab6749 Takes place after early S8 breakup and goes AU from there. Rick separates from Kate, and she is enticed to join Jackson's world. The duo is brought back together years later due to a professional encounter between Kate and a very different Alexis. There is a Casket ending though not with the passion most would like. I do not own Castle; I just play with the characters.
Castle, T, English, Angst & Drama, chapters: 10, words: 16k+, favs: 11, follows: 22, updated: 5/26 published: 3/27, Rick C., Kate B., Alexis C.
1k+The Secret Life of Castle and Beckett » by AleciaB AU – return to the pilot episode. Imagine they did go to dinner to debrief and then kept their personal life a secret.
Castle, M, English, Romance, chapters: 115, words: 412k+, favs: 322, follows: 547, updated: 5/24 published: 3/5/2017, Kate B.
31Just Keep Breathing » by Caskett1960 Entry for the 2022 Summer Ficathon. AU for Season 4. Castle and Beckett begin dating following the conclusion of the Lee Travis case. Sequel to the story 'Just Breathe.'
Castle, M, English, Romance & Drama, chapters: 4, words: 12k+, favs: 18, follows: 45, updated: 5/23 published: 5/2, Rick C., Kate B., Alexis C., Martha R.
25Begins To Quiver In The Deepest Silence » by Jude Rigby After a body drops during a Valentine's Day tableaux vivants performance, Castle and Beckett investigate to find the killer with some assistance from an unexpected quarter. At the same time they anticipate their own celebration of the holiday with a return to Las Vegas on their own. Fortieth in the Beware Of Darkness series. Caskett pairing.
Castle, M, English, Crime & Drama, chapters: 19, words: 92k+, favs: 9, follows: 9, updated: 5/23 published: 3/28, [Rick C., Kate B.]
1k+Then Came Love » by bingblot Kate had never planned to see him again but now, she would have to see him. She had to see Castle, for the first time in weeks, and talk to him. Oh shit. Starting in the summer before S2 and then going AU from there.
Castle, T, English, Romance & Friendship, chapters: 42, words: 223k+, favs: 163, follows: 329, updated: 5/22 published: 6/25/2021
53 Plane » by djinni14 Kate suddenly finds herself in a place she couldn't believe in. Refused to believe in. However this just might be the place she has been searching for all her life. She had been searching all her life. Had she been searching in the wrong place all this time. Now that she is living it, just what does she do? Will she allow herself to see it for what it is? - COMPLETE
Castle, T, English, Fantasy & Romance, chapters: 15, words: 54k+, favs: 17, follows: 33, updated: 5/20 published: 4/18, Rick C., Kate B., Alexis C.
99THE BORDER EAGLES » by Swordwriter Richard Rodgers is a Regular Army officer serving with the U.S. Mounted Rifles, during the war with Mexico. Kate Beckett-de Duarte is an Irish-Mexican widow. They meet in Mexico city during the American occupation. Rick saves Kate and Lanie from attempted robbery and rape. They fall in love but must overcome many obstacles from her family and society. Set mostly in Mexico and early
Castle, M, English, Adventure & Romance, chapters: 13, words: 48k+, favs: 12, follows: 23, updated: 5/20 published: 10/24/2021, Kate B., Kevin R., Lanie P.
78 The Advisor » by ucsbdad This is a sequel to Vengeance and Battle Group Castle. Colonel Rick Castle and his wife, Kate, find themselves leading a small advisory team on a distant planet.
Castle, K, English, Adventure & Sci-Fi, chapters: 15, words: 31k+, favs: 10, follows: 11, updated: 5/9 published: 4/25, [Kate B., Rick C.] Javier E., Kevin R.
29Beckett's Bad Day » by TankW1 An AU story set in an alternate season 8. Kate is having a day of paperwork and politics as a captain when she should be in California with Rick and the family. Then it gets worse.
Castle, T, English, Angst & Drama, chapters: 3, words: 17k+, favs: 12, follows: 21, updated: 5/5 published: 5/3, Rick C., Kate B., Alexis C., Martha R.
146 Above and Beyond » by Pen to Paper Writer Rick was a warrior. He had only wanted to do one thing and he was damn good at it. He followed his dream and was a credit to his country. Kate had lost her way dealing with school that she didn't finish and taking care of her father. She needs a new direction and she might have found it.
Castle, T, English, Drama & Romance, chapters: 13, words: 39k+, favs: 31, follows: 58, updated: 5/1 published: 9/5/2021, Rick C., Kate B., Martha R., Lanie P.
23 Burning Glances by ipreferwestside Even across the crowded room, even through the atmospheric fog and the low light and with her face mostly covered, she catches his eye. A one-shot meeting AU. COMPLETE
Castle, M, English, Romance, words: 5k+, favs: 40, follows: 10, 4/28, Rick C., Kate B.
144 A New Beginning » by castlefan6 A New Beginning Authors Note: Totally AU; Beckett and Castle have moved past the case of Kyle Jennings and the Zombies, only to bring huge disappointment to one member of our couple. This fic is being dedicated to a new reader, Shannon, AKA Grimmich
Castle, T, English, Hurt/Comfort & Romance, chapters: 15, words: 58k+, favs: 19, follows: 24, updated: 4/27 published: 4/4, Rick C., Kate B.
341Lightning Flashes » by Trinity Everett Richard Castle gets the surprise of his life and looks to his longtime friend, Kate Beckett, for support. Will she be able to step up and help him with his newest challenge? - Caskett, AU. For Castle Ficathon 2020.
Castle, T, English, Family & Drama, chapters: 8, words: 25k+, favs: 171, follows: 306, updated: 4/24 published: 4/11/2020, Rick C., Kate B.
71 Supply and Demand » by ipreferwestside Throughout their games she'd watched his hands, his strong fingers as he'd shuffled and dealt, the dextrous way he'd handled his cards. And the thought hits her like a freight train. She wants to feel those hands on her skin. An M-rated AU, beginning post-1x08.
Castle, M, English, Romance, chapters: 8, words: 17k+, favs: 57, follows: 74, updated: 4/24 published: 4/8, Rick C., Kate B.
1k+Reflections » by evitascarlett A companion piece to 'Apologize'. Chronicling the lives and love story of Jim and Johanna Beckett through the years. See Authors Note at the beginning of Chapter One for more details! Cover art by LordofKavaka
Castle, T, English, Romance, chapters: 80, words: 1419k+, favs: 142, follows: 205, updated: 4/18 published: 6/7/2013, Jim B., Johanna B.
227 What If » by midnightread A series of one shots dealing with what ifs from Castle. AU's for points in the show. Marked complete as all chapters can stand alone, but it will still be getting updates.
Castle, K, English, chapters: 29, words: 63k+, favs: 64, follows: 151, updated: 4/13 published: 3/12/2013