Pros & cons
PROS
- Oceanside views with a roomy grassy picnic lawn
- Excellent birding when the tide is low
CONS
- Gets busy at midday in summer; tables go fast
- Bugs and gulls can be pesky on warm days
Overview
Just across the bridge as you reach Mount Desert Island, this oceanside, day‑use picnic area is the park’s easy, low‑stress first stop. Pull into the oval loop, grab a table on the grass, and watch the tides slide through the Mount Desert Narrows. Facilities include parking, restrooms, and plenty of picnic tables; the area typically operates seasonally (about mid‑April through November).
Why it’s worth a stop
You get water views without any effort, and it’s a perfect reset after the drive. Birders love it: at low tide, exposed seaweed and flats concentrate shorebirds, and the edge of mixed forest around the lot can be lively with songbirds. It’s also a handy orientation point—when heading onto MDI, the park’s visitor information is across the road, while the picnic area sits on the island side.
What you’ll see
- Views south toward MDI and Western Bay, with classic intertidal shoreline.
- Shorebirds working the flats as the tide rises; songbirds along the treeline.
- At very low tides, expect seaweed‑slick rock and small marine critters like crabs and snails along the edges.
On‑site setup
The driveway forms a loop with parking on both sides and a central green with restrooms and tables. There are numerous picnic tables and designated cook spots (including fire rings and a grill) noted by multiple guides—use what’s provided and keep it tidy.
Best time to visit
- Low tide for birding—then linger as the incoming tide pushes birds closer.
- Early morning or late afternoon for quieter picnics and softer light.
- Midday in summer is the busiest; expect competition for tables.
- Seasonal access: generally mid‑April through November.
Practical tips
- It’s day‑use only—no camping.
- Bring bug spray; mosquitoes and flies show up on warm, calm days.
- Pack out what you pack in; bins are limited.
- Traffic moves through the loop—keep an eye on kids and pets.
Who will love it
Families looking for an easy lunch spot, road‑weary arrivals wanting a scenic breather, and birders chasing tide‑driven action will get the most out of Thompson Island.
Where it is
44.4324, -68.3689Tips for Thompson Island Picnic Area
- 01Time your visit for low tide to watch shorebirds as the water rises.
- 02Arrive before noon in summer if you want a table and easy parking.
- 03Walk the lot’s perimeter and treeline to pick up songbirds.
- 04Bring bug spray; warm, calm days can be buggy and attract gulls.
- 05Expect seasonal operations roughly mid‑April through November.
Amenities
Near Thompson Island Picnic Area
All places →All trails →
0.4 mi awayThompson Island Visitor CenterQuick, friendly stop for passes and planning before Mount Desert IslandVisitor Center · Restroom
5.4 mi awayGreat Notch TrailQuiet forest climb between Mansell and Bernard, with Long Pond peeks.Moderate · 2.1 mi · 1 hr
6.2 mi awayHulls Cove Entrance SignThe classic Acadia welcome sign and the park’s main gatewayVisitor Center · Parking
6.2 mi awayHulls Cove Visitor CenterSeasonal hub for maps, rangers, and Island Explorer busesVisitor Center · Exhibit
6.2 mi awayWitch Hole Pond Carriage Road LoopEasy loop on historic carriage roads around a quiet, cattail-lined pondEasy · 4.6 mi · 1.8 hr
6.6 mi awaySargent Northwest TrailSteep, quiet climb to Sargent’s big-sky summit viewsChallenging · 1 mi · 1.5 hr
6.6 mi awayWitch Hole PondQuiet carriage-road pond with beavers and easy biking near Bar Harbor
6.8 mi awayEagle Lake Carriage Road LoopClassic, car-free loop with big lake views and Rockefeller stoneworkEasy · 6 mi · 2.1 hr
