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: 108, words: 390k+, favs: 296, follows: 528, updated: 7/26 published: 3/5/2017, Kate B.
926Cheek to Cheek » by Kate Christie When Kate Beckett, no-nonsense professional ballroom dancer, takes on bestselling novelist and renowned playboy Richard Castle as her partner for the third season of Dancing with the Stars, will the sparks that fly light up the dance floor, or send their chances for the trophy up in flames?
Castle, M, English, Romance & Humor, chapters: 14, words: 62k+, favs: 293, follows: 722, updated: 4/19 published: 4/6/2015, Rick C., Kate B.
18 Dream Come True by Trinity Everett Rick Castle sometimes couldn't believe that this was his life. A Take the Stairs verse ficlet. Caskett, Castle AU Fic.
Castle, K+, English, Romance & Family, words: 367, favs: 27, follows: 16, 8/4/2020, [Kate B., Rick C.]
464 Please Tell Me » by WRTRD Six weeks after Beckett is shot at Montgomery's funeral, Castle gets a shocking call. Complete.
Castle, T, English, Drama & Romance, chapters: 10, words: 27k+, favs: 146, follows: 183, updated: 6/25/2020 published: 5/13/2020, Rick C., Kate B.
217 Tempest » by chezchuckles After the events of Always, 4x23, Castle and Beckett in his bed, both trying to work through the storm. "What's past is prologue." -The Tempest, William Shakespeare. Rated Mature. Multiple chapters.
Castle, M, English, Romance & Angst, chapters: 6, words: 7k+, favs: 89, follows: 104, updated: 6/24/2020 published: 6/19/2020, Rick C., Kate B.
1k+With A Twist » by Dmarx A collection of unrelated one-shots exploring various 'what if' scenarios. #25: What if… Castle and Beckett hooked up at Ryan & Jenny's wedding?
Castle, T, English, Friendship & Romance, chapters: 25, words: 79k+, favs: 246, follows: 390, updated: 6/22/2020 published: 4/4/2018, Rick C., Kate B.
210 The Myth of Control » by ShutUpAndPull An entry for the Castle Ficathon Winter 2019, because S4 told me to: This is a story about love, pure and in no way simple.
Castle, M, English, Angst & Romance, chapters: 11, words: 25k+, favs: 79, follows: 139, updated: 12/30/2019 published: 11/26/2019, Rick C., Kate B., Javier E., Lanie P.
388Solace (Hypotheticals Series—Pre-Show) » by JohnQKole Pre-Series installment of "Hypotheticals." A recently divorced author meets a gorgeous Stanford pre-Law student at a book signing in late 1998. The pair meet again nearly a year later when she's recovering from a tragedy and he's acclimating to life as a single father. Both are struggling more than they let on. A pre-series exploration of characters/love/friendship/romance.
Castle, M, English, Romance, chapters: 24, words: 122k+, favs: 123, follows: 231, updated: 12/11/2019 published: 5/2/2019, [Kate B., Rick C.]
30 Wine and Water (Fool Me Again Series-Pt 3) by JohnQKole After the episode Sucker Punch, Beckett reaches out to Castle. Their seemingly simple arrangement grows more complex. Another oneshot in the Fool Me Again universe.
Castle, M, English, Romance, words: 6k+, favs: 31, follows: 24, 10/24/2019, [Kate B., Rick C.]
547 Oh, Kiddos » by WRTRD A chance meeting leads to a grand scheme. Set during S3. Complete.
Castle, T, English, Humor & Romance, chapters: 11, words: 29k+, favs: 108, follows: 151, updated: 9/29/2019 published: 8/5/2019, Rick C., Kate B., Martha R., S. Perlmutter
904 Almost Home » by bravevulnerability "He cares about you, Kate. You may not see it, may not have been ready to before all of this, but he does." An AU twist to 2x18, Boom!
Castle, T, English, Hurt/Comfort & Romance, chapters: 18, words: 48k+, favs: 330, follows: 321, updated: 9/27/2019 published: 8/19/2019, Rick C., Kate B.
652 Initially, I Thought » by WRTRD Beckett reads something she shouldn't in Castle's office. Set immediately after 2x18 "Boom!" Complete.
Castle, T, English, Romance & Humor, chapters: 13, words: 35k+, favs: 180, follows: 267, updated: 8/3/2019 published: 5/15/2019, Rick C., Kate B.
969 A Matrimonial Accord » by skygirl55 A long lost relative, a curiously worded will, and an expansion of their partnership agreement lead Castle and Beckett down a path neither of them could have ever imagined. Caskett. Set mid-Season 3.
Castle, T, English, Romance & Drama, chapters: 21, words: 73k+, favs: 244, follows: 325, updated: 7/20/2019 published: 5/11/2019, [Kate B., Rick C.]
62Turning the Page » by Ilovetoread09 For caffinate-me's Bookstore AU prompt. Kate Beckett's bookstore is in danger of closing. However, she might be able to save her store, with the help of a certain author and his young daughter.
Castle, T, English, Romance & Friendship, chapters: 3, words: 4k+, favs: 56, follows: 144, updated: 6/18/2019 published: 4/13/2018, Rick C., Kate B.
364 Sweet Disposition » by bravevulnerability "This is a bad idea," Kate whispers as Lanie fluffs the skirt of her dress. Her best friend straightens to adjust the stray curls of Kate's hair, ensuring the pretty bun at her nape is secure. "A little late to be getting cold feet, honey." Set any time between 4x10, 'Cuffed', and 4x11, 'Till Death Do Us Part'.
Castle, T, English, Romance, chapters: 5, words: 10k+, favs: 213, follows: 233, updated: 6/6/2019 published: 5/28/2019, Rick C., Kate B.
287 Consequences (Hypotheticals Series--Season 2) » by JohnQKole Post Season 2. Beckett goes on vacation while Castle is writing in the Hamptons. Circumstances cross their paths and they end up spending some of that time together.
Castle, M, English, Romance, chapters: 13, words: 85k+, favs: 142, follows: 199, updated: 4/29/2019 published: 2/22/2019, [Kate B., Rick C.]
666 Stay in Touch » by CheerfulChemist This is an AU story. When Kate brings her book to be signed by Castle after her mother is killed, he is curious about the grieving girl. He invites her for coffee, and they become penpals until... The cover art is by @Artifex Prime
Castle, T, English, Hurt/Comfort & Friendship, chapters: 64, words: 84k+, favs: 143, follows: 187, updated: 3/15/2019 published: 1/11/2019, Rick C., Kate B.
1k+Slow Burn » by Liv Wilder Nothing else exists in this world after Kate Beckett utters the words, "Castle, if we were getting married " with that open, adult look in her eye. AU set during 4x11: "Til Death Do Us Part"
Castle, M, English, Romance & Humor, chapters: 22, words: 66k+, favs: 317, follows: 507, updated: 2/18/2019 published: 5/2/2018, Rick C., Kate B.
143 Hypotheticals » by JohnQKole My collection of Non-Canon Caskett stories. Each story features a what-if scenario about this pairing and different times their relationship could have taken a turn toward the romantic. 2 Complete Stories: "Flowers for your Confusion" &"The Conspiracy." Began posting new seasons as separate stories marked as part of the series.
Castle, M, English, Romance, chapters: 10, words: 59k+, favs: 72, follows: 133, updated: 2/17/2019 published: 10/24/2018, [Kate B., Rick C.]
62 Caffeine Jolts by Trinity Everett Kate remembers all of their coffee firsts. Caskett.
Castle, K+, English, Romance, words: 587, favs: 57, follows: 22, 2/2/2019, [Kate B., Rick C.]