# Pen pals for adults [Sea Pals](https://seapals.app/) › [Pen pal app](https://seapals.app/pen-pals) › [Adult pen pals](https://seapals.app/pen-pals/adults) Updated 11 October 2026 Sea Pals helps adults make pen pal friends across countries through letters. Adults aged 18+ only meet other adults as strangers, with time to share everyday stories at a pace that suits them. ## Sample letter 안녕하세요! 요즘 퇴근하고 소설을 조금씩 읽고 있어요. 최근에 재미있게 읽은 책이 있나요? Translation: Hello! Lately I’ve been reading a little of a novel after work. Have you read any books you enjoyed recently? ## Sea Pals at a glance - Price: Free - Works on: iPhone, Android and the web - App languages: English · 한국어 · 日本語 · Deutsch · Português (Brasil) · Español · Русский · Türkçe · Bahasa Indonesia · Tiếng Việt · ไทย · Italiano · Français · Polski - Minimum age: 13+ · 14+ in South Korea · 16+ in Australia - Translation: Built-in, on supported devices and language pairs ## Choose what you enjoy Add a hobby you enjoy and the languages you use or are learning. Mochi looks for other adults with shared interests and languages. ## Send a letter in a bottle Write about a book you have been reading or a song you keep returning to, and ask an easy question. Mochi carries your bottle across the sea to other adults. ## Let a friendship grow Accept a letter to become friends and keep writing from your island. Share small parts of your day, and ask what pace feels comfortable for both of you. ## What to write in a first letter A first letter to an adult pen pal can start with something you enjoy and a question about their day. - Describe a book you enjoyed and ask what your pen pal likes reading. - Share a game you play to unwind and what you enjoy about it. - Name a favourite song and the memory it brings back. - Talk about a place you would like to visit. - Describe a small weekend routine and ask about theirs. ## Pen pal privacy and age rules - Someone new never sees your birthday, exact location or username. - Social handles and links can’t go in letters. - Teens 13–17 only meet other teens. Country minimum ages apply. [How we keep it safe](https://seapals.app/safety) ### Can teens see me? No, not through stranger letters. Teens only meet teens, and adults aged 18+ only meet adults as strangers. ### Can I find pen pals online for free? Yes. Sea Pals is free on iPhone, Android and the web, with letters and friend chats. ### Can I choose a country for my pen pal? Mochi looks for shared interests and languages, often in a new country. You cannot choose the country or a particular person. ### Do we need to write in the same language? A shared language helps you get started. The app also has a translation feature. ### Do I need to write every day? No. Agree on a reply pace that suits you both. ## Related pages - [Pen pal app](https://seapals.app/pen-pals) - [First pen pal letter](https://seapals.app/guides/first-letter) - [Pen pal questions](https://seapals.app/guides/pen-pal-questions) - [BTS fans](https://seapals.app/pen-pals/bts) - [K-pop fans](https://seapals.app/pen-pals/kpop) - [Korean pen pals](https://seapals.app/pen-pals/korean) - [Korean practice with friends](https://seapals.app/pen-pals/learn-korean) - [K-drama fans](https://seapals.app/pen-pals/kdrama) - [Anime fans](https://seapals.app/pen-pals/anime) - [Japanese pen pals](https://seapals.app/pen-pals/japanese) - [Learn Japanese](https://seapals.app/pen-pals/learn-japanese) - [English practice](https://seapals.app/pen-pals/learn-english) [Open in your browser](https://seapals.app/app) ## Pen pals for… - [BTS fans](https://seapals.app/pen-pals/bts) - [K-pop fans](https://seapals.app/pen-pals/kpop) - [Korean pen pals](https://seapals.app/pen-pals/korean) - [Korean practice with friends](https://seapals.app/pen-pals/learn-korean) - [K-drama fans](https://seapals.app/pen-pals/kdrama) - [Anime fans](https://seapals.app/pen-pals/anime) - [Japanese pen pals](https://seapals.app/pen-pals/japanese) - [Learn Japanese](https://seapals.app/pen-pals/learn-japanese) - [English practice](https://seapals.app/pen-pals/learn-english) - [Adult pen pals](https://seapals.app/pen-pals/adults) ## Legal - [Otter maker](https://seapals.app/make/otter) - [Four-cut photo booth](https://seapals.app/booth) - [Friendship book](https://seapals.app/book) - [Sea creature quiz](https://seapals.app/quiz) - [Letter paper](https://seapals.app/letter) - [Friendship quiz](https://seapals.app/friendship-quiz) - [Virtual pet app with friends](https://seapals.app/doori) - [Friends in other countries](https://seapals.app/lagoons) - [Pen pals](https://seapals.app/pen-pals) - [Safety](https://seapals.app/safety) - [Guides](https://seapals.app/guides) - [Friends widget app](https://seapals.app/widgets) - [Memory book & photo journal](https://seapals.app/memory-book) - [Long-distance friends](https://seapals.app/long-distance-friends) - [Culture](https://seapals.app/culture) - [Long distance relationship app](https://seapals.app/long-distance-relationship-app) - [BTS fans](https://seapals.app/pen-pals/bts) - [K-pop fans](https://seapals.app/pen-pals/kpop) - [Korean pen pals](https://seapals.app/pen-pals/korean) - [Korean practice with friends](https://seapals.app/pen-pals/learn-korean) - [K-drama fans](https://seapals.app/pen-pals/kdrama) - [Anime fans](https://seapals.app/pen-pals/anime) - [Japanese pen pals](https://seapals.app/pen-pals/japanese) - [Learn Japanese](https://seapals.app/pen-pals/learn-japanese) - [English practice](https://seapals.app/pen-pals/learn-english) - [Adult pen pals](https://seapals.app/pen-pals/adults) - [Help](https://seapals.app/help) - [Privacy](https://seapals.app/legal/privacy) - [Terms](https://seapals.app/legal/terms) - [Community guidelines](https://seapals.app/legal/guidelines) - [Child safety](https://seapals.app/legal/child-safety) - [About](https://seapals.app/about) City data from GeoNames (CC BY 4.0)