The Inland Sea
Characters: F!Selkie/F!Human Content: SFW, F/F Romance, Established Relationship, Domestic Fluff, Love Languages Spice Level: Mild Word Count: ~2500 Notes: As with all my stories now, this was posted on my Patreon well before it was posted here on Tumblr. Read all my stories sooner, as well as exclusive stories on Patreon.
Sometimes love means learning impossible things. Sometimes it means building an ocean in your backyard.
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The job offer came on a Tuesday, delivered via email with the kind of formal letterhead that made my hands shake as I read it. Director of Marine Research, Thornfield University. Everything I'd worked toward for the past eight years, wrapped up in a salary figure that made my studio apartment rent look like pocket change.
It was perfect. Exactly what I hoped for. And it was two hundred miles inland.
I stared at my laptop screen until the words blurred, then looked up at Kira. She was curled in the window seat of our cramped beachside studio, her dark hair still damp from her morning swim, watching the waves with that particular stillness that meant she was listening to something I couldn't hear.
"The Thornfield position came through," I said.
Her shoulders tensed almost imperceptibly. "The one you interviewed for last month?"
"They want an answer by next Friday."
Kira turned from the window, and I caught the flash of something—fear? resignation?—before her expression smoothed into practiced calm. Three years together, and I was still learning to read the subtle currents of her emotions.
"It's perfect for you," she said. "You've wanted this since graduate school."
"It's inland, Kira. Really inland."
"I know." She stood, moving with the fluid grace that was so uniquely her. "We'll figure it out."
But I knew what "figure it out" meant for a selkie. I'd done enough research in the early days of our relationship to understand that saltwater wasn't optional for her. It was survival. The longest she'd ever gone without ocean immersion was three days, during a family emergency, and she'd grown physically ill by the end of it.
That night, while Kira slept, I fell down an internet rabbit hole of marine biology forums, pool installation companies, and increasingly specific searches about artificial ocean environments. By dawn, I had seventeen browser tabs open and a notepad filled with terms like "salinity controllers" and "wave generation systems."
Three days of research convinced me it was possible. A week of price quotes convinced me I was insane. Which is why I found myself sitting across from my brother Mike the following Saturday, trying to explain my plan without sounding completely unhinged.
"You want to build a what?" Mike stared at me over his coffee cup.
"A saltwater pool system. With tides."
"With tides," he repeated slowly. "Like, artificial tides. That you're programming."
"The technology exists. There are companies that specialize in—"
"Emma." Mike set down his cup. "Do you know how much something like that costs?"
I did know. I'd spent the past week getting quotes that made my new salary look suddenly very reasonable. "It's an investment."
"In what, exactly?"
I thought about trying to explain Kira's nature to my relentlessly practical brother, about the way she moved through water like it was another element entirely, about the quiet panic in her eyes when she was away from the ocean for too long. Instead, I said, "In our future."
Mike's skeptical expression told me everything I needed to know about his opinion on my investment strategy, but he didn't push further. By the time I left his apartment, I'd already made my decision. That day, I called Thornfield University to accept their offer, and immediately started looking for houses with very specific requirements.
House hunting with those requirements proved... interesting.
"The pool will need to be at least twelve feet deep," I told our realtor, a cheerful woman named Janet who'd stopped looking surprised by our requests. She clearly didn't understand them, but in the name of pleasing the client, she was rolling with them. I was going to leave her a stellar review.
"And we'll need excellent drainage," Kira added. "For overflow situations."
"Overflow?" Janet's pen paused over her notepad.
"Weather events," I said quickly. "Storm runoff. That sort of thing."
We looked at seventeen houses. Kira rejected most of them quietly—a shake of her head, a gentle "the feng shui is off" that I'd learned meant the place felt wrong for reasons she couldn't explain to humans. I rejected others for practical reasons: neighbors too close, pools too small, soil that wouldn't handle the drainage requirements.
The eighteenth house sat on two acres of rolling hills, with a neglected pool that was exactly the right size and an overgrown garden that hid it from neighboring properties. Kira walked the pool's perimeter twice, then looked up at me with something like hope in her eyes.
"This could work," she said.
We put in an offer that afternoon. While we waited for the paperwork to process, I started interviewing contractors, looking for someone who could handle what I was already thinking of as "Project Ocean."
The contractor, a weathered man named Bill who specialized in "custom aquatic installations," didn't bat an eye when I explained we needed a saltwater system with "tidal simulation capabilities."
"Rich folks and their hobbies," he muttered, but his quote was reasonable and his timeline realistic.
The renovation took six weeks. Six weeks of heavy machinery, daily deliveries of sand and specialized equipment, and increasingly curious neighbors who found reasons to walk their dogs past our house every morning.
"That's quite a project you've got going," said Mrs. Chen from next door, watching a truck deliver what was clearly marine-grade filtration equipment.
"My partner's really into swimming," I said, which was technically true.
The salt deliveries started during week three, before the pool was even finished. Industrial sea salt, delivered monthly in quantities that made the UPS driver do a double-take.
"You running a restaurant or something?" he asked, hefting the fourth fifty-pound box.
"We're just very serious about cooking," I replied.
But as I soon discovered, having salt was only the beginning of the challenge. Getting the water chemistry right proved to be far more complex than I'd anticipated.
Pool salt wasn't ocean salt; it lacked the complex mineral profile that Kira needed. I spent hours on the phone with fellow marine biologists, aquarium specialists, and one very patient woman from the Monterey Bay Aquarium who walked me through proper salinity testing without asking too many questions about why I needed ocean-quality water in a backyard pool.
The first batch was wrong. Too much magnesium, not enough trace minerals. Kira dipped her fingers in and immediately pulled back.
"It's close," she said diplomatically.
The second batch was better, but still artificial-tasting. The third batch made her smile, the first real smile I'd seen since we'd started this project.
"This," she said, "feels like home."
I smiled and nodded, but privately I knew there was still one more element missing. The water might feel right, but it was still motionless, artificial. Real ocean water moved with tides and currents, responding to forces larger than itself. That's when I started researching wave machines, not as part of the official plan, but as my own secret project.
While Kira was at work, I researched tidal patterns and current simulation, diving deep into oceanographic data for the specific coastal region where she'd grown up. I spent evenings programming the system, learning about lunar cycles and how they affected tide timing, about the subtle differences between winter and summer patterns. But the more I researched, the more I realized I needed something no oceanographic database could provide—the specific, intimate knowledge of how those tides had felt to a young selkie growing up in their rhythm.
That's when I decided to call her grandmother.
"You want to know about the tides from Kira's childhood?" Moira's voice carried the salt-and-sage accent of the old country. "That's an odd request, dear."
"It's for a surprise," I said. "Something to remind her of home."
There was a long pause. Then, quietly: "She told me about your pool. About what you're doing for her."
"She did?"
"The children always tell their grandmothers everything, eventually." Another pause. "High tide was always at sunset when she was small. She used to dance in the waves while I made dinner. The moon sets the rhythm, but the land shapes the song. You'll want the primary surge to peak just as the sun touches the horizon."
I spent the next two weeks fine-tuning the wave machine's programming, incorporating Moira's memories with the technical specifications. By the time Bill's crew returned for the final installation phase, I had something I hoped would be more than just artificial waves—I had a piece of Kira's childhood, translated into code and machinery.
The pool was finished on a sunny Thursday afternoon. Kira stood at the edge while Bill's crew made final adjustments to the filtration system, her hands clasped behind her back in a way that meant she was trying not to show how nervous she was.
"All set," Bill announced. "Give it a couple hours for the chemicals to settle, then she's all yours."
After the crew left, Kira and I sat on the deck chairs we'd bought for the occasion, watching the surface of our artificial ocean catch the afternoon light.
"You know," she said carefully, "if this doesn't work—if I can't adapt to it—"
"It'll work."
"But if it doesn't, I don't want you to—"
I reached for her hand. "Kira. It'll work."
She squeezed my fingers. "How can you be so sure?"
I thought about the weeks of research, the phone calls to colleagues, the careful calibration of mineral content and pH levels. About the artificial current, meant to make the pool feel more natural for her.
"I just am," I said, squeezing her hand back. "It will be good, you'll see."
Kira's first swim was tentative. She slipped into the water like she was testing a stranger's hospitality, moving carefully through the artificial currents. I watched from the deck, trying not to hold my breath, as she duck-dove beneath the surface.
She emerged near the pool's center, her seal-sleek skin gleaming in the late afternoon sun. For a moment, she floated motionless. Then she began to swim—long, powerful strokes that ate up the pool's length, turns so fluid they looked choreographed.
Twenty minutes passed. Then thirty. I'd never seen her swim so long in one session, not even in the ocean. When she finally pulled herself out, she was breathing hard but smiling.
"It's good," she said, water dripping from her hair. "It's really good, Emma. The mineral content, the temperature—how did you know?"
"Research," I said. "Lots of research."
She kissed me, tasting of salt and satisfaction. "Thank you."
I watched her happiness over the following days, saw how she moved through our artificial ocean with growing confidence and comfort. But I found myself waiting for the perfect moment to reveal the final surprise: the hidden programming that would transform our pool from a mere saltwater swimming facility into something that might truly feel like home.
Two weeks later, I finished the final calibrations on the wave machine. The programming was complex—lunar cycles and seasonal variations, current patterns that mimicked the specific coastal region where Kira had grown up. I'd even factored in the way her grandmother had described the tides of her childhood, the daily rhythm of waves that surged highest just as the sun touched the horizon.
I waited for the right evening. Full moon, clear skies, Kira floating peacefully in the center of the pool as sunset approached. She was on her back, eyes closed, completely relaxed for the first time since we'd moved inland.
The wave machine activated silently, just as the sun began to paint the sky orange and pink. The first gentle surge lifted Kira slightly, a barely perceptible swell that could have been wind-driven.
But Kira's eyes snapped open.
The second wave was stronger, a rolling motion that carried her toward the pool's shallow end in exactly the rhythm of home. Her expression shifted from confusion to wonder to something deeper—recognition so profound it was almost painful to witness.
"Emma," she whispered, treading water as the artificial tide carried her back toward the deep end. "Emma, how—?"
The waves continued their programmed dance, and I watched three years of homesickness wash out of Kira's face. She moved with the artificial currents like she was remembering a song she'd known since childhood, her body responding to rhythms coded into her very DNA.
"I called your grandmother," I said. "Asked her about the tides from when you were little. High tide at sunset, primary surge as the sun touches the horizon."
Kira's eyes filled with tears that might have been saltwater, might have been emotion. "You programmed our pool to match my birthplace?"
"I programmed our pool to feel like home."
She swam to the pool's edge, pulled herself out, and kissed me with desperate gratitude. "Do you have any idea what this means to me?"
I thought about the months of research, the conversations with marine biologists, the careful attention to details that seemed impossibly specific. About the love that had driven me to recreate an ocean in our backyard, to build a home that honored both our natures.
"I'm starting to," I said.
The months that followed brought their own rhythm. Learning the maintenance schedules, adjusting for seasonal changes, troubleshooting the occasional technical glitch. Our artificial ocean became as much a part of our daily routine as morning coffee or evening news, and somehow more essential than both. I knew the sound of the filtration system cycling, the schedule of salt deliveries, the precise mineral balance to make Kira's eyes light up when she first touched the water each morning.
I learned to love the rhythm of it— the daily testing, the seasonal adjustments, the way the wave machine's cycles became the heartbeat of our home. I grew less self-conscious about explaining the particular requirements of our pool, or our "very serious" swimming hobby.
Kira swam every morning and evening, sometimes alone, sometimes with me paddling alongside her. She didn't laugh at my very human swimming style, though I sometimes caught her lips twisting in amusement.
On full moon nights, she slept floating in the pool's center. In warm weather I'd sleep on one of the lounge chairs on the patio, listening to the sound of artificial waves. In colder weather I'd retreat to our bedroom and watch over her through the large floor-to-ceiling windows.
"Any regrets?" She asked me one night, as we sat on the deck watching the sunset trigger the evening tide cycle.
I thought about the job that had started this whole adventure, about the research opportunities and the career I'd built studying the very creatures my partner belonged to. About the artificial ocean we'd created together, and the way it had become more real to us than any natural body of water.
"Only one," I said.
Her expression grew concerned. "What?"
"I should have installed a hot tub too."
Kira laughed, the sound carrying across our backyard sea like the call of something wild and free. "Soon," she promised.
"Soon," I agreed, and watched the waves carry her home.
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