Bar Harbor Oceanside KOA

136 County Road, Trenton, Maine, United States
Hero image showing KOA cabins among trees with people on a porch — clear on-site cabin accommodation photo from the campground’s main page (hero image).
RV site with a large travel trailer, paved pad, picnic table and firepit area — good depiction of RV hookups and site layout (listed under ways to stay).
Standalone cabin with patio furniture and grill set in wooded site — useful close-up of cabin lodging and campsite setting from the property’s ways-to-stay photos.
Tent pitched on a grassy/waterfront site with trees and shoreline visible — shows tent camping and the campground’s waterfront setting (used on the campground page).
Group scene with RVs, guests, cornhole and paved pads — illustrates communal/rv park area and on-site activities (ways-to-stay / group RV header image).

Reviews

0 reviews

Showing 0 reviews

Sort by: Newest First
Newest First Oldest First

Location & Directions for Bar Harbor Oceanside KOA

136 County Road, Trenton, ME 04609 United States

Elevation: 4 ft

Nearest town

Trenton, ME - 2 mi

About 4 min to downtown

Highway access

The campground is near Maine State Route 3. U.S. Route 1 is a short drive away.

Near Acadia National Park

The closest entrance is: Hulls Cove Visitor Center

Approximate drive: 7 mi · 12 min

Nearby Campgrounds

Bar Harbor / Oceanside KOA Holiday
Closed for Season

Campground / RV park

Bar Harbor / Oceanside KOA Holiday

Bar Harbor, ME
Terramor Outdoor Resort

Campground / RV park

Terramor Outdoor Resort

Bar Harbor, ME

Terramor Outdoor Resort offers a unique blend of camping adventure and resort amenities, providing guests with immersive nature experiences. Located near Bar Harbor and Acadia National Park, it encourages exploration of scenic trails and coastal v...

5.0 (5)
Mt Desert Narrows Campground
Closed for Season

Campground / RV park

Mt Desert Narrows Campground

Bar Harbor, ME
4.0 (5)

Nearby destinations

Explore destination

Trenton

2 mi away

City
Explore destination

Lamoine

6 mi away

City
Bar Harbor

Bar Harbor

8 mi away

Day trip

Last updated: October 7, 2026

Message us

Need help?

Our team is here to help you find the perfect spot for your next adventure.

Message us

Replies within minutes

Is this your campground?

Explore Trenton, ME

Elevation: 59 ft

Learn more about Trenton

Trenton, ME

Weather & Conditions

Loading destination weather

From our Travel Guides

View all guides
Maine Campground Owners Association Logo
Part of Maine Campground Owners Association