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).

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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

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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

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Explore Trenton, ME

Elevation: 59 ft

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Trenton, ME

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