272Full Circle » by Caskett1960 Castle and Kate receive shocking news following their attempted murders at the hands of Caleb Brown. Post 8x22 'Crossfire.' Rated 'T,' but that rating might change.
Castle, T, English, Drama & Angst, chapters: 16, words: 66k+, favs: 77, follows: 164, updated: 1/25 published: 10/12/2020, Rick C., Kate B., Alexis C., Martha R.
573Fate's Bullet » by Castle of Serenity Set mid-season 3 shortly after Poof! You're Dead. Castle is shot while chasing down a suspect, causing Beckett to reveal her feelings for him as he bleeds out in front of her. What happens when Castle remembers her confession?
Castle, T, English, chapters: 79, words: 104k+, favs: 229, follows: 539, updated: 9/28/2020 published: 3/7/2015, Rick C., Kate B.
314Season Three » by chezchuckles An episode by episode tag for season three. Any AU versions will be marked.
Castle, T, English, Friendship, chapters: 12, words: 9k+, favs: 65, follows: 108, updated: 7/13/2020 published: 1/29/2017, Rick C., Kate B.
110Gentle Coltrane for Caskett » by Mr.Mellow Kate said she feels magic when she hears Coltrane. Here are some more vignettes based on songs from albums from the John Coltrane discography such as "The Gentle Side of John Coltrane." Some spoilers for various episodes noted at the beginning of each vignette.
Castle, T, English, Romance & Angst, chapters: 27, words: 99k+, favs: 29, follows: 38, updated: 7/5/2020 published: 1/24/2015, Rick C., Kate B.
197 May It Never End » by Lord of Kavaka A collection of Caskett drabbles from tumblr based off a 100 prompt meme. Ratings ranging from K to M.
Castle, M, English, Romance, chapters: 12, words: 12k+, favs: 113, follows: 172, updated: 5/21/2020 published: 5/4/2016, [Rick C., Kate B.]
766As The Story Goes » by Trinity Everett A collection of Caskett drabbles, ficlets, and one-shots based on prompts. Today's offering: Cute: Castle finds out his partner thinks something important about him. Rated K
Castle, M, English, Romance & Drama, chapters: 46, words: 69k+, favs: 196, follows: 320, updated: 2/22/2020 published: 8/30/2014, Rick C., Kate B.
824 Indelible » by Dmarx Years pass and memories fade with time but his words never will. Because he wrote them down, every chapter of their story inked across the page for eternity. Sequel to Spiral Bound.
Castle, T, English, Family & Romance, chapters: 30, words: 47k+, favs: 91, follows: 135, updated: 2/3/2020 published: 5/20/2019
6k+ After A Deadly Affair » by ucsbdad An AU story set after A Deadly Game. COMPLETE!
Castle, K, English, Mystery & Romance, chapters: 1059, words: 1611k+, favs: 201, follows: 271, updated: 12/1/2019 published: 12/6/2013, Rick C., Kate B., Alexis C., Javier E.
61 Tomorrow's Adventure by Trinity Everett Beckett's birthday isn't just a special day, it's the beginning of a new adventure. A Post-Series story.
Castle, T, English, Romance & Family, words: 2k+, favs: 60, follows: 18, 11/18/2019, [Kate B., Rick C.]
243Coffee and Sunrises » by thesewordsinthisworld Begins six days after Castle and Beckett are shot. How do they move on with their lives?
Castle, K+, English, Romance & Family, chapters: 16, words: 28k+, favs: 92, follows: 210, updated: 8/18/2019 published: 1/25/2019, Rick C., Kate B.
213Castle Episodic » by Pegship A series of one-shots related to various episodes of Castle. Update: I've been adding in chapters that were posted on AO3 and not here, so both sites will have the chapters thus far.
Castle, T, English, Drama & Romance, chapters: 26, words: 20k+, favs: 38, follows: 100, updated: 8/9/2019 published: 2/27/2015, Rick C., Kate B., Javier E., Kevin R.
972 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: 248, follows: 325, updated: 7/20/2019 published: 5/11/2019, [Kate B., Rick C.]
801 A Life to Remember » by LorelaiGilmore82 A sequel to A Night to Forget
Castle, T, English, Family, chapters: 34, words: 91k+, favs: 379, follows: 586, updated: 7/14/2019 published: 4/12/2015, Rick C., Kate B.
234 Because There Was » by ShutUpAndPull An AU entry for Castle Ficathon 2019: Because there was Season 3. Because there was Royce. And a letter. And a motorcycle. And there isn't always more time. Because there was love.
Castle, M, English, Drama & Romance, chapters: 11, words: 27k+, favs: 91, follows: 177, updated: 6/8/2019 published: 5/6/2019, Rick C., Kate B., Martha R., Roy M.
58 Half-Baked Idea by acertainzest It's National Donut Day. Castle knows how much Beckett loves donuts.
Castle, K, English, Humor & Romance, words: 1k+, favs: 47, follows: 19, 6/7/2019
143A Family of Castles » by TrainToAlaska These are all one-shots that I've written but never uploaded over the past few years. They're all family fics and quite fluffy, so if that isn't your thing you're not going to be happy reading these :) There will be a new one-shot each Sunday!
Castle, T, English, Romance & Family, chapters: 12, words: 11k+, favs: 46, follows: 86, updated: 5/5/2019 published: 2/10/2019, Rick C., Kate B.
288 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: 147, follows: 201, updated: 4/29/2019 published: 2/22/2019, [Kate B., Rick C.]
46 By Definition by Trinity Everett Sorting through baby things turns a bit serious, then a little bit silly. Caskett, Post-Series Ficlet.
Castle, K+, English, Romance & Family, words: 1k+, favs: 52, follows: 22, 4/28/2019, [Kate B., Rick C.]
212 Why Not Me » by Liv Wilder Castle 2x23: Overkill. Fic Prompt from ProudTVJunkie: "Cornered in the break room by Beckett after seeing her kiss Demming in the hall, Castle comes out and asks, why him? Why not me?" Two-shot. COMPLETE
Castle, M, English, Romance & Drama, chapters: 2, words: 5k+, favs: 136, follows: 140, updated: 4/11/2019 published: 4/9/2019, Rick C., Kate B.
180A Spoonful of Sugar » by Ilovetoread09 A collection of one-shots transferred from tumblr. Genres vary.
Castle, T, English, chapters: 25, words: 28k+, favs: 67, follows: 103, updated: 3/10/2019 published: 6/2/2015, Kate B., Rick C.