| Acadia Fishing Tours / Vagabond | June 15 through September 15; closed all Sundays & Friday afternoon in July & August |
| Acadia Repertory Theatre | June - September |
| Atlantic Brewing Company | Daily tours starting Friday May 26th |
| Bar Harbor Cellars | May 26 – October 22. 10-5 daily except July and August when we are open 10-6. |
| Camp Beech Cliff | Year-round, M-F 8-5. Summer camp starts June 20 |
| Camp Capella, Inc. | Year Round |
| Clark Point Gallery | Closed for the winter |
| Cranberry Cove Ferry | Memorial Day Weekend through September 30 |
| Downeast Friendship Sloop Charters | Daily Mid- May until Oct, 9am-sunset |
| Down East Nature Tours | All year |
| Downeast Windjammer Cruises | May 15 through October 19: Friday and Saturday @ 2pm and Sunset cruise. Weather permitting |
| Island Arts Association | Shows throughout the year - check our Events page! |
| Island Cruises | Open mid-June through early October |
| Maine State Sea Kayak | early June through late September |
| Mansell Boat Rentals & Charters | Opening May 11 |
| MDI Community Sailing Center | office: Monday - Friday 9AM - 4PM |
| Mount Desert Island Historical Society | Monday-Friday from 10 to 4 |
| Mt. Desert Oceanarium | Open 9 a.m. to 5 p.m. daily except Sunday mid-May to late October |
| National Park Canoe and Kayak Rental | Opening May 16 |
| National Park Sea Kayak Tours | Open early June through late September |
| Quietside Cruises | May - Oct OPEN |
| Salty Dog Gallery | 10AM to 4PM or by appointment |
| Seal Cove Auto Museum | 10 am - 5 pm daily from May 1 through October 31 |
| Southwest Cycle | Mon-Sat 9:30- 5:00 Sun.10- 4:00 |
| Southwest Harbor Artisans | 10 am to 5 pm until July 5th when our hours expand to 9 to 9 |
| Southwest Harbor Public Library | MON, TUES, THURS & FRI: 9:00am - 5:00pm WED: 9:00am - 8:00pm SAT: 9:00am - 1:00pm |
| The Maine Granite Industry Historical Society | April 1 to November 31 Tuesday - Sunday 10am - 4pm. Winter months by appointment. |
| Tremont Historical Society | MWF 1:00-4:00 p.m. July thru Columbus Day or by appointment |
| Wendell Gilley Museum | Beginning June 1: Open Tuesday through Saturday, 10am–4pm |
| Yoga In Your Park | Check out website and app for updated class information. Contact us for your private yoga coaching. |
| Beal's Lobster Pier | Monday-Sunday 11am-9pm |
| Cafe 2 / Eat-A-Pita | Opening May 27 for breakfast, lunch and dinner. Breakfast 8:00 to Noon. Lunch 11:30 to 4:00. Dinner 5 :00 to 9:00. Take Out Open to Close . Island Bar 5:00 to 9:00. Happy Hour 5:00 to 7:00. |
| Cafe Drydock | Open 7 days a week @ 11:30 for Lunch & Dinner |
| Claremont Boathouse | July & August, Noon - 2PM and 5-9PM |
| Coda | Wednesdays through Saturday; Happy Hour from 4-6 pm and regular dinner service starting at 5pm |
| Islesford Dock Restaurant and Gallery | June 3 |
| Red Sky Restaurant | Thursday - Monday, 5:30 - 9:00 PM |
| Sips | Monday thru Saturday 7am-9pm and Sundays 7am-Noon |
| Thurston's Lobster Pound | Opening Memorial Day weekend |
| Xanthus Restaurant & Bar at the Claremont Hotel | Closed |
| XYZ Restaurant | Opening Memorial Day Weekend 2017 please call 207 244 5221 for specific dates and/or reservations |
| Bar Harbor Bank and Trust | All year. Lobby: 8:30-4:00 M-Th; 8:30-5:00 F. Drive-Up: 8:30-5:00 M-F. |
| Bayside Graphics | Year Round |
| Bowden Marine Service | M-F 8am-5pm. Also, May 1 to Columbus Day, Sat 9am-noon |
| Camden National Bank | M-Th 8:30-4, F 8:30-5 |
| Coastal Builders and Sons, Inc | M-F: 9am-4pm, Sat: 9am-3pm |
| Dunbar Real Estate | Office M-F, 9:30 - 4:30, and by appointment ~ call or e-mail 24/7 |
| Dysart's Great Harbor Marina | year round |
| Eastern Maine Recycling | Monday - Friday 8AM to 5PM; Saturday 8AM to 3PM |
| First National Bank | Seal Cove Road Drive-Up: Mon-Wed 7:00AM - 4:30PM and Thurs-Fri 7:00AM - 5:00PM Main Street Lobby: Mon-Thurs 8:30AM - 4:30PM, Fri 8:30AM - 5:00PM and Sat 8AM-12PM |
| G.F. Johnston & Associates | Year Round |
| Harbor Ridge Vacation Rentals | All year, 8am-9pm |
| Homer Associates - The Birches | All year |
| Islandscaping, Inc. | Open April through October |
| L. S. Robinson Insurance | M-F 8am-4:30pm |
| L. S. Robinson Real Estate & Vacation Rentals | M-F 9am - 4:30pm |
| MDI Property Maintenance & Management | All year |
| Norumbega Moving and Storage | 8 A.M. - 4 P.M. Monday through Friday |
| Royal Promotions | M-F 9am-5pm |
| Smart DataMap Services | M-F 9am - 6pm |
| Stephen Stanley, Electrician | M-F 7am-4pm. Anytime for emergencies. |
| The Hinckley Company | M - F, 9am to 4pm |
| The Knowles Company | M-F 9am-4pm |
| Carroll Drug Store | Store: M-F 9am-5:30pm, Sat 9-5:30 Pharmacy: M-F 9-5:30, Sat 9-noon |
| Clark Point Gallery | Closed for the winter |
| Dragonflys Cottage | Closed for the winter |
| Island Arts Association | Shows throughout the year - check our Events page! |
| Liquor Locker Inc. | Monday thru Saturday 10am-6pm. |
| McEachern and Hutchins | M - Sa 7 am-5 pm, Su 8 am-4 pm |
| Quilt 'n' Fabric | T-Su 9am-4pm |
| Salty Dog Gallery | 10AM to 4PM or by appointment |
| Sawyer's Market | Daily, 6am-6pm |
| Sawyer's Specialties | Monday - Saturday 10 am - 6 pm |
| Southwest Harbor Artisans | 10 am to 5 pm until July 5th when our hours expand to 9 to 9 |
| Under the Dogwood Tree | M-F 10-5, Sa 10-3 |
| Westside Florist | M-F 9-5, Sa 9-noon |