Disclaimer: I don't own Castle.

Prompt: This one is FreakyC16's "fault" (and Revenge's for the Hamptons setting) – "let's say Castle and Beckett have been dating for awhile and Castle is gonna pop the Question. How do you think he would do it?"

Kate stood at the window, with a mug of coffee wrapped in her hands, as she watched her man running around on the beach in front of her. He had left their bed this morning with a quick kiss and a warning not to come outside until he gave the word. She had gone about her morning routine, making coffee and finding something to eat, all the while peeking out the window every few minutes hoping to get a glance of what he was doing.

The fresh spring air that blew through the windows was still chilly and she wrapped the white cardigan around her as she saw Castle disappear around the dunes. She stood on her tiptoes to find him again, searching, before he scurried back out, something light and fragile his hands. Shaking her head with nothing but love for the man, she left the window to sit in the big bay window with her book. She couldn't get into though, and kept trying to sneak a look of the beach.

The wind was picking up and big black clouds were rolling in, the waves grey with white frothing caps, when Castle finally came running up to the house. His hair was a mess, his shirt rumpled and the grin on his face made him all the more adorable. He greeted her with another quick kiss, ran off again to the bedroom and seconds later, he was rushing back to grabbing her hand and pull her outside.

"Castle, what's going on?"

"We've got to hurry before it rains and washes it away."

"Wash what...?"

"Just come here you beautiful woman you." He pulled her too his chest, quickly, setting her off balance.

She put her hand on his shoulder to catch herself before she brought it to his cheek. "Uh...Hi..."

He chuckled and she felt the deep vibrations, "Hi. Let's go."

Their hands were clasped lightly they hurried down to the beach as they felt the first drops of rain that hit the sand, making a dark pattern along the beach.

Castle stopped abruptly and she crashed into his back, "Here we are." He turned her to face him. "Kate, you were different right from the start. You are extraordinary and you made me extraordinary if I do say so myself."

She grinned, rolling her eyes, "You may."

He continued, the rain starting to pick up, "The five years that I have known you, worked with you, loved you, have been more and better than I could ever imagine. We've danced around the subject of marriage for a little while and while you aren't set on the idea, the institution of marriage, I do know I want to spend the rest of my life with you. So, here I am, just telling you how much you mean to me, that it doesn't matter if it's on paper or not but that I will be here for you..."

He trailed off with a crack of thunder and a bolt of lightning that slashed across the sky and after he kissed her lightly, he turned her around so that she could see what he had been working on all morning. In the sand in front of her, written in shells that he had painstakingly collected, were the words;

I Love You From Here to Eternity.

He turned her again, "I just have to ask, given the opportunity, saying it big but making it intimate, and without sharing this with 'Reggie' the chopper pilot..."

The rain coursed down their faces and she brushed her wet dark hair out of her eyes to see;

Will you marry me?

The waves were dancing around their feet and threatening to wash away the shells and the perfect words Castle had worked so hard to write out. Kissing him hard she said breathlessly, "I love you so much you know. Yes. You know what, yes is my answer. So long as this storm isn't symbolic of the marriage, let's do it."

She winked at him, or maybe she blinked to get the rain out of her eyes, he couldn't tell. So, with rain dripping of his nose, he slipped the ring from his pocket and slid it onto her finger, "This just means we can weather any storm babe." He kissed her then, the rain water sweet on their lips mixing with the salty spray form the ocean.

A/N: Sick of me yet :P This kept me from going crazy while my internet was down today so thanks for reading ;)