Ocean Theme Birthday Shirt: "One-der the Sea" First Birthday Outfit, Matching Family Beach Party T-Shirt
Price:$14.25+
Original Price: $19.00+
25% off
Limited time sale
Star Seller
Star Sellers have an outstanding track record for providing a great customer experience—they consistently earned 5-star reviews, shipped orders on time, and replied quickly to any messages they received.
Your order should arrive by this date if you buy today. To calculate an estimated delivery date you can count on, we look at things like the carrier's latest transit times, the seller's processing time and shipping history, and where the order is shipping to and from.
-
Please enter the name you would like on the design. Text will appear in all lower case.
Ex: mama, daddy, one, etc
*Infant/Toddler shirts are a different brand than adults & colors do not match exactly. Please reach out with questions.0/256
You can only make an offer when buying a single item
Star Seller. This seller consistently earned 5-star reviews, shipped on time, and replied quickly to any messages they received.
Highlights
Celebrate your little one’s special day with this adorable under the sea birthday shirt! Perfect for a 1st birthday outfit or 2nd birthday outfit, this design is ideal for a one-der the sea celebration or any ocean theme birthday party.
Whether you're planning a sea birthday party, under the sea party, or beach theme birthday, this shirt makes the perfect outfit for your child—and we also offer custom family shirts for a fun family matching look!
Featuring cute sea animals and coastal vibes, this ocean birthday shirt is great for photos, cake smash sessions, and memorable celebrations.
Perfect for:
First birthday / second birthday outfits
Ocean theme birthday parties
Sea animals birthday themes
Beach theme birthday celebrations
Matching family outfits
Under the sea party events
Make your celebration unforgettable with this charming and customizable birthday shirt!
--- How to Order Your Custom Design Shirt ---
• Select your size
• Select your color
• Enter personalization
--- TSHIRT DESIGN & MATERIAL ---
• Designed for style, comfort, and sustainability.
• It’s knit in one piece to minimize fabric waste and features a durable elastic ribbed collar that retains its shape.
• T-Shirts are made using 100% US cotton that is ethically grown and harvested.
• Ethically crafted using 100% US-grown cotton, it combines durability with eco-conscious design.
• Designs are made with a heat press.
--- CARE INSTRUCTIONS ---
• Machine wash cold, inside-out, gentle cycle with mild detergent and similar colors.
• Use non-chlorine bleach, only when necessary. No fabric softeners.
• Tumble dry low, or hang-dry for the longest life.
• Cool iron inside-out if necessary. Do not iron decoration.
• Do not dry clean.
--- REFUNDS/RETURNS ---
• Due to shirts being made to order, I do not accept returns or refunds.
• But please contact me if you have any problems with your order.
• I will do my best to resolve the issue!
--- ADDITIONAL INFORMATION ---
*Please check the color charts for the size and type of the shirt you want, not every color is available for each type of shirt, drop down comes automatically with every color but they are not available for each item, so please make sure to check it. If you do not check the color charts the closest item will be sent to you.
*If you want to add or change anything on the existing design that is shown in the display picture, please message me first to ask if the changes and additional request can be done or not. If you do not ask and request for it without asking in the order we will ship the item as it is without the requests done.
*If you enter the wrong address with your order, I will try to help you if you message me from the message box only if the item has not been made and processed to the packaging level to ship the item.
*Messages will be answered during my business hours 9am-5pm PT, Monday through Friday.
* I use multiple shirt brands. If you would like a specific brand, please message me for availability. Otherwise I will ship the available brand.
If you have any other questions, I would be happy to assist. Please message me.
-
Order today to get by Nov 14-23
Your order should arrive by this date if you buy today. To calculate an estimated delivery date you can count on, we look at things like the carrier's latest transit times, the seller's processing time and shipping history, and where the order is shipping to and from.
-
Returns & exchanges not accepted
But please contact me if you have problems with your order
-
Cost to ship: $5.99
-
Ships from: San Jose, CA
There was a problem calculating your shipping. Please try again.
Etsy Purchase Protection
Shop confidently on Etsy knowing if something goes wrong with an order, we've got your back for all eligible purchases —
see program terms
Be the first to review this item
Smooth shipping Has a history of shipping on time with tracking.
Speedy replies Has a history of replying to messages quickly.
Rave reviews Average review rating is 4.8 or higher.
More from this shop
Visit shop-
Valentines Family Shirts: Matching Sweetheart 1st Birthday Tees
Sale Price $14.25
Original Price $19.00
-
Golf 1st Birthday Family T-Shirts, Hole In One Matching Tees
Sale Price $13.50
Original Price $18.00
-
Ladybug First Birthday Comfort Colors Shirt, Bug Theme
Sale Price $15.75
Original Price $21.00
-
Custom Train Birthday Comfort Colors Shirt: Matching Family Tees
Sale Price $13.50
Original Price $18.00
-
Oneder the Sea Birthday Shirt, Under The Sea Birthday, Whale Birthday Shirt, Ocean Animals Birthday, Sea Animals Birthday, Boy Birthday Tee
Sale Price $14.85
Original Price $19.80
-
Oneder the Sea Birthday Shirt, Whale Theme Birthday Shirt, Nautical Ocean Animals Birthday, Boy 1st Birthday Outfit, Mama Dada Whale Shirt
Sale Price $13.48
Original Price $24.50
-
Oneder the Sea Birthday Shirt, Under The Sea Birthday, Whale Birthday Shirt, Ocean Animals Birthday, Sea Animals, Boy 1st Birthday Outfit
Sale Price $11.99
Original Price $15.99
-
One-der the Sea Birthday Shirt Custom Under the Sea Birthday Party Shirt Matching Family Ocean Theme First Birthday Outfit Mermaid Birthday
Sale Price $19.50
Original Price $26.00
-
Whale 1st Birthday Shirt, Oneder the Sea Birthday Shirt, Under the Sea First Birthday Family Matching T-Shirts
Sale Price $15.27
Original Price $20.36
-
Comfort Colors® First Birthday Oneder the Sea Shirt, Personalized Matching Family Shirt, Under the Sea Ocean Animals, Kids Birthday Shirt
$37.98
-
Ocean Birthday Shirt, Oneder the Sea Birthday Party, Under The Sea Birthday, Boy First Birthday Shirt, Birthday Matching Family Sea Animals
Sale Price $15.27
Original Price $20.36
-
Under The Sea Birthday T-Shirt ONEder the Sea BDay Party Sea Animal 2nd Birthday Outfit Toddler Boy Girl Two The Sea Mommy and Me Matching
Sale Price $14.99
Original Price $19.99
-
Comfort Colors® First Birthday Oneder the Sea Shirt, Personalized Matching Family Shirt, Under the Sea Ocean Animals, Kids Birthday Shirt
$37.98
-
Oneder the Sea Birthday Shirt: Under the Sea First Birthday Family Matching T-Shirts
Sale Price $9.50
Original Price $19.00
-
Under The Sea Birthday T-Shirt ONEder the Sea Birthday Party Sea Animal 2nd Birthday Outfit Baby Boy Girl Two The Sea Toddler Tee 1 2 3 Year
Sale Price $14.99
Original Price $19.99
-
ONEder the Sea Birthday Party Ocean Birthday Shirts Under The Sea T-Shirts Sea Animal Theme 1st Birthday Outfit Baby Boy Girl Mama Daddy Tee
Sale Price $14.99
Original Price $19.99
Shoppers with similar taste loved these
-
Bunny Birthday Boy Matching Family Shirts: Some Bunny Is One Outfit
Sale Price $11.89
Original Price $16.99
-
Digital download
PRINTABLE Dinosaurs Cards and Gifts sign 8x10, Dino Party Gifts sign, Dinosaur Birthday sign, Dino Cards sign
Sale Price $3.16
Original Price $3.95
-
Digital download
PRINTABLE Dinosaurs Food sign 8x10, Dino Bites, Treats Dinosaurs Party Gifts sign, Dinosaur Birthday sign, Dino Favors sign
Sale Price $2.80
Original Price $3.50
-
Dinosaur Jumbo Mylar Balloon | High Quality Foil Balloons | T-Rex, Triceratops, Pterodactyl | Dinosaur Birthday Party | Dinosaur Party Decor
$8.99
-
Roar Tissue Garland – Dinosaur Party Decor – First Birthday – One-a-Saurus, Two Rex, Three Rex, Four-a-Saurus – Stomp Chomp Chew - Lucky One
$8.33
-
Digital download
Dinosaurs Dig Site sign 8x10 Food Table PRINTABLE
Sale Price $2.95
Original Price $3.69
-
MamaSaurus/DadaSaurus Tees, Matching Family Dinosaur Birthday shirts, Kids Dino Tee, Mom/Dad Dino Tees, Mommy and Me Family Tees 1
Sale Price $13.19
Original Price $23.99
-
Digital download
PRINTABLE Dinosaurs Treats sign 8x10, ONE is sweet please take a treat Dinosaurs Party Gifts sign, Dinosaur Birthday sign, Dino Favors sign
Sale Price $2.80
Original Price $3.50
-
Some Bunny is One High Chair Banner: Easter First Birthday Decor
$37.00
-
Bunny Photo Banner, Some Bunny is One, Bunny First Birthday Banner, Photo Banner Spring First Birthday
$20.99
-
Digital download
PRINTABLE Dinosaurs Food sign 8x10, Carnivore Valley Dinosaurs Party Food sign, Dinosaur Birthday sign, Dino Favors sign Baby shower
Sale Price $2.80
Original Price $3.50
-
Name Puzzle, First Birthday Gift, Personalized Busy Board
Sale Price $6.90
Original Price $17.25