Marine Corps MCRD Parris Island MCRD San Diego Military Mail

Sending Letters to Marine Boot Camp

Do you know someone who is going to Marine boot camp or who is already at boot camp? If so then your recruit is officially beginning their journey to becoming a United States Marine! Over the next 12 weeks, your recruit will be pushed beyond their limits and if successful be made into a Marine. Through this transformation, your recruit will need your support and motivation to help them succeed. Here is all you need to know about sending Letters to Marine boot camp.

Writing Letters To Marine Boot Camp.jpg

MCRD San Diego Mailing Address

MCRD San Diego Mailing AddressSample Address
RECRUIT First Name, Last Name
#(st, nd, rd) BN “Company” Platoon ####
##### Midway Avenue
San Diego CA 92140-####
1st BN Alpha Company Platoon 1000
38001 Midway Avenue
San Diego, CA. 92140-5670
letters to boot camp

MCRD Parris Island Mailing Address

MCRD Parris Island Mailing AddressSample Address
RECRUIT First Name, Last Name
#(st, nd, rd) BN “Company Name” Platoon ####
PO Box #####
Parris Island, SC 29905-####
1st BN Alpha Company Platoon 1000
PO Box 16945
Parris Island, SC 29905-6945

What should I write in my Letters to Marine boot camp?

Over the next thirteen weeks recruits will be pushed beyond their limits and, if successful, transition into a United Staes Marine.

Mental and physical exhaustion will become a norm as the loved one you said goodbye to is transformed into a completely new person.

Mail call will be the most anticipated time of the day, and your recruit will enjoy receiving a lot of mail from your over the course of the next three months.

In case you ever face writer’s block, we’ve come up with some questions to ask your recruit when writing Letters to Marine boot camp.

1. What were your first thoughts when you got off of the bus and stepped onto the yellow footprints?

2. What time do your mornings start?

3. How delicious is the chow?

4. What has been the worst thing about boot camp?

5. If you could describe boot camp in one word what would it be?

6. How many recruits are in your platoon?

7. What’s the name of one friend you’ve made, where are they from?

8. On a scale of 1 to 10 how much fun are pugil stick battles?

9. What is one thing your platoon gets yelled at for the most?

10. What time do you normally get to sleep?

11. Have you been given a nickname?

12. Is there anyone in your platoon not receiving mail that I can write to?

13. Has it been hard to keep your rack area clean and in tip top shape?

14. What have you liked best about boot camp?

15. How hard is it to keep your M-16 clean?

16. How fast can you take your M-16 and put it back together?

17. What has been the funniest thing your DI has said this week?

18. What’s the best advice you have received at boot camp?

19. What was going through your head when you jumped off of the repel tower?

20. What is the dumbest thing you have seen or heard another recruit do?

21. Has boot camp been what you expected it to be?

22. What is your wish list of bases you would like to be stationed at?

23. What’s the first thing you want to do after graduation?

24. What homemade/fast food meal do you miss the most?

25. Are you proud of yourself? (You should be!)

Looking for even more ideas of what to write during Marine boot camp? Read our what to writing when sending Letters to basic training article.

Your Letters to your recruit don’t need to be long and they don’t need to be fancy.  What’s important is that you’re sending mail to support them through this journey.

Sending Letters via the Sandboxx app, will get your message and photos into your recruit’s hands within a couple of days (we overnight your Letters directly to the ship). We also include a return envelope with every Sandboxx Letter so your loved one can write you back!

Ready to send your first Letter to Marine boot camp?

Send your first letter to Marine boot camp with the Sandboxx app, write your message, include a photo and hit send.

Save and attach our week one image below to give your recruit motivation for their first week at Marine boot camp.

Learn more about how your Sandboxx Letter gets delivered.



    1. I just received this message from my son from the island yesterday evening. I haven’t heard from him since I left him at his MEPS. I immediately signed up for this app and sent out his first letter. I’m just wondering how long it takes to be processed. Hopefully he’ll get it today. He’ll have been gone a week now.

      1. Good morning, Carter. Sorry for the delayed response. We hope you’ve heard from your recruit by now. Please reach out to our customer support team at with any further questions. Thank you for using SANDBOXX.

    2. Thank you for the week one newsletter as well as photo. We haven’t received our first post card with platoon number. With being Christmas, I really wanted my brother Jaime Jesus Martinez to know we are thinking of him. Through sandboxx, I sent his first letter/photo without the platoon number. I hope he gets his letter. Please let us know of him more often.

    1. Letty, you can write to your son through our app SANDBOXX. You can download it in the Google Play Store or on the Apple Store. Once downloaded, you can create an account and start sending Letters.

  1. Thank you so much for The update, really helpful , I send a letter by sandboxx and will continue to it’s really convenient.
    Thank you so much for everything team sandboxx. I really appreciate the updates.

  2. Thank you! This is a great app and I have already sent my RCT a letter through it. How often will pictures be uploaded? I have yet to see my RCT. Doing a great job of building men and Marines and can’t wait to see more!

    1. Dawn, we don’t always receive current photos of recruits going through boot camp. Parris Island and MCRD San Diego both have Facebook pages that on occasion upload photos of the current recruits.

  3. Thank you for the information and plz give us the updated if anything changes let us know and May God watch over our troops in boot camp

    1. Unfortunately, we don’t always have pictures of current recruits going through boot camp. MCCRD San Diego and Parris Island both have Facebook groups that do on occasion post photos of current recruits going through boot camp.

  4. Sent my first letter today! I didn’t have my pix from cell phone on the site, so i couldn’t send one. Next letter! Does he have to accept other family members on this site before they can write him?

  5. I send my first letter to my nephew last night through Sandboxx. My question is. When he writes me back am I gonna get it though the app or via mail? Also what’s the Facebook pg for San Diego boot camp can i please have it. Thanks. I would love to like the page thanks again. God bless you all 👏🏼👏🏼

      1. Thanks for the info. How many days do I have to wait after he receives my letter? For he’s respond

  6. I am proud of the GREATEST Marine’s ever! I am proud my son Jamar Cleveland is safe in the care of well experienced Marine’s! It means the world to have up-to-date information on his progress and experience. I know he is doing well and as his mother I am PROUD of him for taking the extra step to make a differences in his life and become a role model for the younger generation 😊

  7. Thank you so much I appreciate the updates. I was wondering if I would get pictures of my daughter who is in Parris Island ,South Carolina. Her name is Lisamarie Yvonne Moore.
    Thank You Sincerely
    Marieann Vasquez

  8. Hello Don,
    My exwife just got our sons first letter for bootcamp and it says hes in 2nd battalion 2173 and on sandboxx it says 2nd battalion 2171. Will our son get our letters from sandboxx seeing his batallion numbers are different?

    1. Brian, the most important information to have accurate in the address is Company and Platoon number. His letters will still get to him whether or not the battalion number is right. If you have any additional questions feel free to email us at

      Happy Letter writing!

  9. Thank you so much for this information. It is very helpful and it helps me feel connected and keeps me prayerful. God bless all of you who are faithfully serving.

  10. My grandsons last name is misspelled on Sandboxx. How can I have it corrected so that family looking for him may find him? Not certain if this is a public post, so I’m withholding his name.

  11. Just starting this Sandbox app journey. Our son stepped upon the “Yellow Footprints” as the second generation on Dec 4, 2017. 26 years to the day after I did. This electronic age will make it much easier for us as parents to watch his transition as he strives to earn the title of United States Marine.
    Thank you Sandbox!!
    Semper Fi

  12. How does my son get the letter I send through the sandbox app? Is it an actual letter printed out and delivered in a envelope?

    1. Doug,

      When you send a Letter through SANDBOXX it will be printed off at our Headquarters into a physical piece of mail that is addressed and stamped to your recruit. The Letter will also come with a pre-addressed and stamped return envelope for him to easily write you back.

  13. Good morning,

    Thank you so much for this App. I already sent my recruit her first letter and I appreciate the ability to be able to have access to this App. I have been waiting for her to write me but with this App I was able to write her. Thank you again’

  14. Its my sons 1st week..and i cant stop thinking about what he is doing during every second of the day…its just a crazy feeling

  15. I hear that sandboxx can also help with travel to graduation. I am not a traveler and will need lots of help with flights and hotel/BNB places to stay.

    1. Good morning, Maggie. Sorry for the delayed response. You’re absolutely correct. Here’s the link to our Travel tab in the app to get you started. If you have any questions click on the Help button in the bottom right corner and one of our Travel Customer Support Team members will get with you as soon as they can. Thank you for using SANDBOXX.

    1. Good morning, Marfi. Sorry for the delayed response. We hope you’ve found your answer, but in case you haven’t, your son doesn’t have access to electronic devices to reply via the app. His correspondence will be the letter he writes you and sends via the US Postal System. There is a self-addressed stamped envelope attached to each SANDBOXX letter for the recruits to use so hopefully he will use that to send his letter home. For any further questions you may have please reach out to our customer support team at Thank you for using SANDBOXX.

  16. Just wanted to say I love this app! I received my recruits address more than a week before I received it by mail, and have been able to send letters to her before Christmas. It would have been very difficult to know she had not received any letters yet and no Christmas wishes!

  17. So thankful to have this app and the information available. I hardly had a clue to what to expect sending my 18 year old son into the military, much less to bootcamp to become a Marine!! The highlighted article below this comment section titled, A Marine Mom’s Guide to Bootcamp, has some valuable information that every mom, or parent should read. I am very excited and proud, and a little less nervous now knowing that the boy that dreamed of this since a child, will come out on the other side even stronger and more ready than I could have ever imagined for him.
    Semper Fi

  18. Thank you very much for the information. I sent my first letter yesterday through Sandboxx and attached a photo. I appreciate the updates, photos and encouragement.

  19. My son left for boot camp on Jan 16 I miss him so. I look forward to the man he will become. I pray for all the young men in his group.

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