Whether you’re renting a campsite in Wilderness State Park or hitting a Beach Bums game, you’re sure to find fun in these 10 Northern Michigan things to do for $30 or less.

1. A half-day at Boyne’s Avalanche Bay Indoor Water Park on a June weekend day, only $29. 800-GO-BOYNE, AVALANCHEBAY.COM.
2. Roundtrip to Mackinac Island ($22 purchased online) with your bike ($8). Breeze in your hair, complimentary. 800-542-8528, ARNOLDLINE.COM.
3. Kayak the Crystal River in Glen Arbor in a very doable half-day for $27. 231-334-4420, CRYSTALRIVEROUTFITTERS.COM.
4. A campsite in Wilderness State Park—sunset, sunrise and wavy lullaby on the house. $27, WILDERNESSTATEPARK.NET.
5. Explore 35 miles of shoreline dunes, daily all year if that is your heart’s desire, at the Sleeping Bear Dunes National
Lakeshore. Annual pass, $20. (Hey, that’s a Hamilton left in your pocket!) 231-326-5134, NPS.GOV/SLBE.
6. Overdose on history at three Mackinac State Parks venues with a combo ticket. We’d pick Colonial Michilimackinac, Fort Mackinac and Historic Mill Creek. $23. 231-436-4100, MACKINACPARKS.COM.
7. Treat yourself and two friends to a Traverse City Beach Bums games at $10 each for chair seating. Sit on the lawn and host a party—$6 each for five people. 231-943-0100, TRAVERSECITYBEACHBUMS.COM.
8. Tour Grand Traverse Lighthouse with the fam (adults $4; children 6–18 $2; children 5 and under free) plus a $6 State
Park Motor Vehicle Permit. Set them loose in the gift store with what’s left. 231-386-7195, GRANDTRAVERSELIGHTHOUSE.COM.
9. Listen to the World Youth Symphony Orchestra concert with David Shifrin conducting on July 11. $25.50. 800-681-5920, INTERLOCHEN.ORG.
10. Beach yourself on a (nearly) deserted Manitou Island (South or North). $32, roundtrip. 231-256-9061, LEELANAU.COM/MANITOU.