2023 Acadia Half Marathon Summer Special
In-Person only 

Monday June 27th-Friday July 1st. Paper registration, in-person paper application for this special entry rate. Check, cash, or credit card payments. 

2023 Race date is Sunday, June 4th. 


Summer Camp Starts June 20!

If you need a spot, limited spots remain, register online by clicking on the register button at the top of this page. 

We offer camps for children ages 3- 8th grade. 

Check out the camp web page to find: 

1. Camp Behavior Agreement

2. Daily Packing List

3. Camp Cadillac Schedule by Week and more! 

4. Camp Drop-off and Pick-up are across the street under the white tent. 

The mission of the Mount Desert Island YMCA is to develop community, character, personal growth in wellness and spirit, mind and body for the greater MDI community. 

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Lobster Scavenger Hunt Fun Begins Monday, June 27th!

Please join us for the MDI YMCA 2nd Annual Lobster Scavenger Hunt! Come get a scavenger hunt card at the MDI YMCA, 21 Park Street in Bar Harbor, or download one from our website anytime between Monday, June 27th through Tuesday, July 5th at noon. Take your card around to participating businesses to get their lobster's number. Record as many lobster numbers on your sheet as you can and have all cards back by Tuesday, July 5th at noon. Scavengers with the most correct answers will get some awesome prizes donated by local businesses. Prizes so far include: 

$100 Gift Card to Geddy's donated by Coston, McIsaac & Shea!

$100 Gift Card to Trenton Lobster Pound!

$50 Gift Card to Sherman's, $10 Gift Card to Paradis True Value, Gift Certificate to A Little Mad, a hiking tray from Window Panes, $50 Gift Card to Jordan's Restaurant, $50 Gift Certificate to My Darling Maine Boutique, $25 Gift Certificate to Aloha or Tailgate restaurant's.