Bay City State Park in Michigan, USA - map, photos and visitor information

Research checked: 2026-10-26. Check linked official notices before travel.

Bay City State Park brings together a Lake Huron beach, a campground and Tobico Marsh on Michigan’s Saginaw Bay. It suits a beach day or a visit focused on wetland birds, but the two experiences use different parts of the park. Start by choosing the beach and visitor center area or the marsh trails, then check the current conditions for that activity.

Beach recreation beside a coastal wetland

• Tobico Marsh: Open water, marsh and woodland provide habitat for migratory and nesting birds.
• Saginaw Bay Visitor Center: Interactive exhibits introduce the coastal wetland before you explore outdoors.
• Different ways to stay: Modern campsites and accessible mini cabins provide overnight options near the bay.

Plan the vehicle pass and seasonal visit

Fees, hours, and seasonal access

Take Great Lakes water seriously

Michigan state parks do not have lifeguards. Never swim alone, supervise children closely and follow the beach warning flags and closures. High waves, cold water and dangerous currents can make a familiar beach unsuitable for swimming. Consult the DNR beach safety guidance before entering the bay.

Pets and shared recreation areas

Keep pets on a leash no longer than 6 feet and under your immediate control. They may use the shoreline outside the buoyed swim area; remove their waste. Hunting is permitted under applicable rules, so ask the park about the area and season before planning an outing that could overlap with hunting.

Book camping and group facilities

Reserve modern campsites or mini cabins through Michigan DNR reservations or call 800-447-2757. The youth group-use area is tent-only and uses direct park reservations at 989-684-3020. Pavilions can be reserved up to a year ahead. A vehicle pass does not pay for these reservations.

Find the beach and marsh areas

The park address is 3582 State Park Drive, Bay City, Michigan 48706. Use the maps on the official park page to choose a trailhead or campground entrance. The beach is on Saginaw Bay, part of Lake Huron; Tobico Lagoon and the marsh trails offer a different setting inland from the shoreline.

Nearby parks and refuges

• Pinconning Park: This county park lies farther north on Saginaw Bay at 3041 East Pinconning Road, Pinconning, with its own entry arrangements.
• Shiawassee National Wildlife Refuge: For an autumn walk, use Green Point Environmental Learning Center trails at 3010 Maple Street, Saginaw; the refuge lists them as remaining open in fall, subject to wet conditions. The separate Wildlife Drive at 6000 Bishop Road operates June 1–September 30 and is not an autumn driving route.

Choose beach time or wetland observation

For a visit on land, explore Tobico Marsh and watch for shorebirds, waterfowl and songbirds moving through its varied habitats. Spring and fall migrations give birdwatching a seasonal focus. Observation towers and viewing platforms add different perspectives without requiring a water outing.

The developed day-use area offers picnicking, a playground and a seasonal spray park. Bicycles are allowed on established park roads and trails. Plan each activity around its actual area instead of treating the entire wetland as a beach-recreation zone.

Accessible options and overnight preparation

DNR lists an accessible beach mat and coastal boardwalk, a free beach wheelchair and a track chair available to borrow. Ask staff about availability and the route you need before arrival. Mini cabins have accessible layouts and nearby shared toilet and shower facilities; bring linens and cookware.

The campground offers electrical sites and a sanitation station for registered campers. The visitor center, playground, picnic facilities and beach house support day visits. Seasonal operation can differ between facilities, so confirm what is available for your dates.

A state park shaped by Tobico Marsh

From a city land gift to a larger park

Bay City donated land to the state for a public park in 1922, and development began in 1923. Civilian Conservation Corps work in the 1930s added roads, buildings and a freshwater lagoon at the marsh outlet. Later growth connected the original recreation site with a much larger wetland landscape.

Open water, marsh and woodland

Tobico Marsh includes open water, extensive marsh vegetation and mixed hardwood forest. Deer, beaver, mink and muskrat occur here, alongside nesting and migrating birds. Its habitats also include rare oak barren and lakeplain wet prairie communities. Watch from the permitted routes and treat wildlife sightings as possibilities, not a scheduled attraction.

Contact Bay City State Park

Call 989-684-3020 or email [email protected] for current facility information, youth group reservations and activity restrictions.